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    • Posted by Not Fine Bro 🎭 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Arshpreet Anand 1 year, 7 months ago

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    0Thank You

    Arshpreet Anand 1 year, 7 months ago

    You are late Should've started when you were one

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    • Posted by Medashisha Lyngdoh 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 4 answers

    D.Manoj Kumar 1 year, 7 months ago

    It is not a Quadratic equation but then the value of 'x'will be 3/7

    1Thank You

    Khushpreet Kaur 1 year, 7 months ago

    2 + 3 x + 1 = ( x − 2 ) 2 x 2 + 3 x + 1 = x 2 − 4 x + 4 ⇒ x 2 + 3 x + 1 − x 2 + 4 x − 4 = 0 ⇒ 7 x − 3 = 0 has its highest power of variable as 1 Hence it is not a quadratic equation

    1Thank You

    Khushpreet Kaur 1 year, 7 months ago

    by using identity (a-b)²=a²-2ab+b² =X²–2(x)(2)+2² =x²–4x+4=x²+3x+1 By applying hit and trial method (1)²-4(1)+4=0 0=0 x-1 is zero of polynomial

    1Thank You

    Khushpreet Kaur 1 year, 7 months ago

    by using identity (a-b)²=a²-2ab+b² =X²–2(x)(2)+2² =x²–4x+4 By splitting the mid term =x²-2x-2x+4 =x(x-2)-2(x-2) (x-2)(x-2)=

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    • Posted by Account Deleted 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Arush Saraswat 1 year, 7 months ago

    Assume that .............................. That is answer find it

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    • Posted by Account Deleted 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Not Fine Bro 🎭 1 year, 7 months ago

    Let a and b irrational number where a and b are odd numbers....

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    Shreyansh Singh 1 year, 7 months ago

    Hii sir

    1Thank You

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    • Posted by Account Deleted 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Neeraj Singh 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 4 answers

    Not Fine Bro 🎭 1 year, 7 months ago

    It will be very tough!! Because I know But I think you will pass by scoring around 30-40 marks

    0Thank You

    D.Manoj Kumar 1 year, 7 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    2Thank You

    Hari Shankar 1 year, 7 months ago

    IT MAY VE EASY OR TOUGH DOESNT MATTER THE MATTER IS HOW U PREPARE FOR EXAMS

    2Thank You

    Srikanth Marre 1 year, 7 months ago

    Find the sum of exponents of prime factor in the prime factorisation

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    • Posted by Sikha Singh 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Not Fine Bro 🎭 1 year, 7 months ago

    This type of questions will not be asked in board exam

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    • Posted by Vandit Sharma 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Vandit Sharma 1 year, 7 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    0Thank You

    Bhargav Kulkarni 1 year, 7 months ago

    We know that , 1+tan2Φ=sec2Φ 1+sin2Φ/cos2Φ=1/cos2Φ Multiply cos2Φ on both sides We get cos2Φ+sin2Φ=1 sin2Φ+cos2Φ=1

    2Thank You

    Indrajeet Bera 1 year, 7 months ago

    Let a, b, c be lengths of right angled triangle By definition sinθ=b/c(opposite sidehypotenuse) cosθ=a/c(adjacent sidehypotenuse) sin2θ+cos2θ=b2c2+a2c2=a2+b2c2 From Pythagoras theorem c2=a2+b2 ∴a2+b2c2=1 sin2θ+cos2θ=1 Hence, proved.

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    • Posted by Madhan Mitheran 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Dikha Sarkar 1 year, 7 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Not Fine Bro 🎭 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Uttkarsh Tiwari 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Sachin Prajapati 1 year, 7 months ago

    It depends on its highest power like If the power is- 2-then there are two zeroes 3-then there are three zero And so on.

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    • Posted by Anamika Anamika 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Arun Choudhary 1 year, 7 months ago

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    • Posted by Account Deleted 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Naincy Agarwal 1 year, 7 months ago

    sol a2=a+d=14 ➡️a=14-d. i a+2d=18 ➡️14-d+2d=18. From i ➡️d=4 Now put d=4 in I a=14-4 a=10 Now to find sum of first 51 term Sn=n/2(2a+{n-1}d) S51=51/2(2×10+{51-1}×4) S51=51/2(20+50×4) S51=51/2(20+220) S51=51/2×240 S51=51×120 S51=6120 So sum of first 51 term of an AP will be 6120 where a=10 and d=4

    1Thank You

    Rudra King 1 year, 7 months ago

    5610

    1Thank You

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    • Posted by Khushi Yadav 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Satyadeep Yadav 1 year, 7 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Sowparnica . S 1 year, 7 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Zeel Patel 1 year, 7 months ago

    √3/2 x √3/2 + 1/2 x 1/2 3/4 + 1/4 4/4 1

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    • Posted by Ansar V.K 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Manya Yadav 1 year, 7 months ago

    Firt let 2root3 + root 5 is rational no. Then written in the form of p/q where p and q are co prime no. Then equalise The both side

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    • Posted by Vibha Bhandari 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Tanya Patel 1 year, 7 months ago

    The perimeter of each semicircle will be 44 cm.

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    • Posted by Jyoti Ghosh 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Khushi Tiwari 1 year, 8 months ago

    Let the radius of smaller circle be (r) 2cm And, the radius of bigger circle be(R), 5cm Now, Area of circle is πr^2 So, πR^2 -πr^2 = π(R^2 - r^2) =22/7[(5)^2 - (2)^2] =22/7[25 - 9] = 22/7 ×16 = 3.14 × 16 = 50.24cm^2

    1Thank You

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    • Posted by Aryan Pundir 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Chetna Rohilla 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Lionel Messi 1 year, 7 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    1Thank You

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    • Posted by Vip @ 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Manya Yadav 1 year, 7 months ago

    X = 1 and y= -2

    0Thank You

    Tarnika S 1 year, 7 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Parth Agarwal 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 0 answers
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    • Posted by Aldriniya Joseph 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Nitin Kumar 1 year, 8 months ago

    3x-⁵/3 then multiply by 3, 9x-5 9x=5 x=5/9

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    • Posted by Suriya Prabha 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Arpan Das 1 year, 8 months ago

    17×19×23

    0Thank You

    Nitin Kumar 1 year, 8 months ago

    17*19*23

    0Thank You

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    • Posted by Ashu Choudhary 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Fateh Gupta 1 year, 8 months ago

    We have to prove that √5 is an irrational number It can be proved using the contradiction method Assuming √5 as a rational number, i.e., can be written in the form a/b where a and b are integers with no common factors other than 1 and b is not equal to zero. √5/1 = a/b √5b = a By squaring on both sides (5b)2 = (a)2 b2 = a2/5 …. (1) It means that 5 divides a2. It means that it also divides a a/5 = c a = 5c By squaring on both sides a2 = 25c2 Substituting the value of a2 in equation (1) 5b2 = 25c2 b2 = 5c2 b2/5 = c2 As b2 is divisible by 5, b is also divisible by 5 a and b have a common factor as 5 It contradicts the fact that a and b are coprime This has arisen due to the incorrect assumption as √5 is a rational number. Therefore, √5 is irrational.

    1Thank You

    Akeet Deep 1 year, 8 months ago

    We have to prove that √5 is an irrational number It can be proved using the contradiction method Assuming √5 as a rational number, i.e., can be written in the form a/b where a and b are integers with no common factors other than 1 and b is not equal to zero. √5/1 = a/b √5b = a By squaring on both sides (5b)2 = (a)2 b2 = a2/5 …. (1) It means that 5 divides a2. It means that it also divides a a/5 = c a = 5c By squaring on both sides a2 = 25c2 Substituting the value of a2 in equation (1) 5b2 = 25c2 b2 = 5c2 b2/5 = c2 As b2 is divisible by 5, b is also divisible by 5 a and b have a common factor as 5 It contradicts the fact that a and b are coprime This has arisen due to the incorrect assumption as √5 is a rational number. Therefore, √5 is irrational.

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    • Posted by Simba Simba 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Karrii. Vijay 1 year, 8 months ago

    3 hrs

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    • Posted by Sahil Kumar 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 4 answers

    Nitin Kumar 1 year, 8 months ago

    a³+b³+c³+3(a+b)(b+c)(c+a). Right answer

    0Thank You

    Dashrath Singh Sisodiya 1 year, 8 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    0Thank You

    Harinie S 1 year, 8 months ago

    a+b+c+3a²b+3ab²

    2Thank You

    Brajmohan Brajmohan 1 year, 8 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Himanshi Thakur 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 4 answers

    Himanshi Thakur 1 year, 8 months ago

    6 is right answer on SQP but I don't know how to Solve it

    1Thank You

    Himanshi Thakur 1 year, 8 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    0Thank You

    Pramith Fernandes A 1 year, 8 months ago

    2 CM IS THE ANSWER

    5Thank You

    Pramith Fernandes A 1 year, 8 months ago

    2 CM IS THE ANSWER

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    • Posted by Deepanshu Yadav 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Himanshi Thakur 1 year, 8 months ago

    Let √5 be a rational number. then it must be in form of pq where, q≠0 ( p and q are co-prime) √5=pq √5×q=p Suaring on both sides, 5q2=p2 --------------(1) p2 is divisible by 5. So, p is divisible by 5. p=5c Suaring on both sides, p2=25c2 --------------(2) Put p2 in eqn.(1) 5q2=25(c)2 q2=5c2 So, q is divisible by 5. . Thus p and q have a common factor of 5. So, there is a contradiction as per our assumption. We have assumed p and q are co-prime but here they a common factor of 5. The above statement contradicts our assumption. Therefore, √5 is an irrational number.

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    • Posted by Manasvi Bhandari 1 year, 8 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Alfiya💫💫💫 . 1 year, 8 months ago

    Yes, it is true as you can check it by taking 1&2 or 3&4 or any other pair 1x2=2. ( divisible by 2) 3x4=12(it is also divisible by 2).. Hence the statement is true. Clear💫💫💫..

    0Thank You

    Bhakti Mehta 1 year, 8 months ago

    It is true. Because in any two consecutive positive integers, one will always by divisible by two.For example, 17 and 18 are consecutive numbers;here 18 is divisible by 2 and 17 × 18 equals 306 which is divisible by 2.

    0Thank You

    Sai Pansare 1 year, 8 months ago

    No, As in the two consecutive no. One of them is going to be even and the other would odd so the sum a odd no. and a even no. is always odd which is not divisible by 2

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