CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

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Prove that √3+2√2

Posted by Ommi Revanth 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

0 answers

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Should I start JEE preparation from today Because only 2 years is left

Posted by Not Fine Bro 🎭 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

2 answers

Arshpreet Anand 8 months, 2 weeks ago

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Arshpreet Anand 8 months, 2 weeks ago

You are late Should've started when you were one

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X²+3x+1=(x-2) ²

Posted by Medashisha Lyngdoh 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

4 answers

D.Manoj Kumar 8 months, 2 weeks ago

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

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Khushpreet Kaur 8 months, 2 weeks 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

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Khushpreet Kaur 8 months, 2 weeks 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

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Khushpreet Kaur 8 months, 2 weeks 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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Prove that √7 − 19 is a irrational number

Posted by Chinmay M.R 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Arush Saraswat 8 months, 2 weeks ago

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

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Prove that 13 + 4√7 is a irrational number

Posted by Chinmay M.R 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

2 answers

Not Fine Bro 🎭 8 months, 2 weeks ago

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

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Shreyansh Singh 8 months, 2 weeks ago

Hii sir

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Prove that 1/√5 +√3 is an irrational number

Posted by Chinmay M.R 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

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Sir the question paper of 2024 will be tough or easy maths standard

Posted by Neeraj Singh 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

4 answers

Not Fine Bro 🎭 8 months, 2 weeks ago

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

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D.Manoj Kumar 8 months, 2 weeks ago

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Hari Shankar 8 months, 2 weeks ago

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

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Srikanth Marre 8 months, 2 weeks ago

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

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Irrational number between 5/7and9/5

Posted by Sikha Singh 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Not Fine Bro 🎭 8 months, 2 weeks ago

This type of questions will not be asked in board exam

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Posted by Deeptansh Das 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

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Prove that sin square theta + cos square theta is equal to 1..

Posted by Vandit Sharma 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

3 answers

Vandit Sharma 8 months, 1 week ago

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Bhargav Kulkarni 8 months, 2 weeks 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

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Indrajeet Bera 8 months, 2 weeks 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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Y is equal to 2x square + 4 x +9

Posted by Madhan Mitheran 8 months, 3 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Dikha Sarkar 8 months, 2 weeks ago

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Prove 1+ x + y = 89

Posted by Not Fine Bro 🎭 8 months, 3 weeks ago

CBSE > Class 10 > Mathematics

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Posted by Bishal Bishal 8 months, 2 weeks ago

CBSE > Class 10 > Mathematics

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How many zero in one polynomial

Posted by Uttkarsh Tiwari 8 months, 3 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Sachin Prajapati 8 months, 3 weeks 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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Solve 7x-2y+1=0, 3x+5y-2=0 and hence find the value of p such that 3p+2x=y

Posted by Anamika Anamika 8 months, 3 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Arun Choudhary 8 months, 2 weeks ago

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Find the sum of first 51 terms of an AP whose second term and third term are 14 and18 respectively

Posted by Account Deleted 8 months, 3 weeks ago

CBSE > Class 10 > Mathematics

2 answers

Naincy Agarwal 8 months, 2 weeks 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

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Rudra King 8 months, 3 weeks ago

5610

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Solve graphically: x+y÷3=5 , x-y÷3=3

Posted by Khushi Yadav 8 months, 4 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Satyadeep Yadav 8 months, 3 weeks ago

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sin60×cos30+sin30×cos60

Posted by Sowparnica . S 8 months, 4 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Zeel Patel 8 months, 3 weeks ago

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

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Posted by Gracelyn Christilda 8 months, 3 weeks ago

CBSE > Class 10 > Mathematics

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Prove that 2√3+√5 is irratonal

Posted by Ansar V.K 8 months, 4 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Manya Yadav 8 months, 4 weeks 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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Lavisha divides a circular disc of radius 14cm into two equle parts what is the perimeter of each semicircular disc

Posted by Vibha Bhandari 8 months, 4 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Tanya Patel 8 months, 3 weeks ago

The perimeter of each semicircle will be 44 cm.

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Two concentric circle with centre o are radii of 2 cm and 5 cm respectively. Find the area of shaded region

Posted by Jyoti Ghosh 9 months ago

CBSE > Class 10 > Mathematics

1 answers

Khushi Tiwari 8 months, 4 weeks 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

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Class 10 , Ex 3.1 Ques 4 Maths

Posted by Aryan Pundir 9 months ago

CBSE > Class 10 > Mathematics

0 answers

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If alpha and beata are zeroes of polynomial x2+5x +2 then find the following 1 1 by alpha +1 by beata 2

Posted by Chetna Rohilla 9 months ago

CBSE > Class 10 > Mathematics

1 answers

Lionel Messi 8 months, 4 weeks ago

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Solve the following system of equation graphically 2x-y-4=0 x+y+1=0 Find the points where the lines meet y-axis

Posted by Vip @ 9 months ago

CBSE > Class 10 > Mathematics

2 answers

Manya Yadav 8 months, 4 weeks ago

X = 1 and y= -2

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Tarnika S 8 months, 4 weeks ago

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732,1296 and 1730

Posted by Parth Agarwal 9 months ago

CBSE > Class 10 > Mathematics