CBSE > Class 11 > Mathematics | CBSE Board | Homework Help

Nhi hota add but agar aapke kisi bhi aur subject me kam aate hai marks aur additional subject me jyada to uske place pr additional ke add ho jaate hai

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Rikku Mahto 7 years, 3 months ago

Nahi hoga,lekin aapne extra kaisa li science li hai kya

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Amrit Kaur 7 years, 3 months ago

Yes

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Khushbu J 7 years, 3 months ago

haan

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Agar extra me maths hai to feb exam hoga ya march se start hoga?

Posted by Kriti Mishra 7 years, 3 months ago

CBSE > Class 11 > Mathematics

3 answers

Chesta Pawan Manchanda 7 years, 3 months ago

Maths extra ho ya compulsory same date sheet hoti hai

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Priyanshu Singh 7 years, 3 months ago

March

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Amrit Kaur 7 years, 3 months ago

I thnk feb

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The 5th,8th and 11th terms of a G.P. are p,q and s respectively, show that q^2=ps.

Posted by Armandeep Dhillon 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Simran Kalra 5 years, 9 months ago

A5= ar^4. Similarly , A8= ar^7 &. A11= ar^10. Since q =. A8 (A8)^2 = ( ar^7)^2. = (a^2)(r^14). ........(1). (LHS). (A5)(A11) = (ar^4)(ar^10). =. (a^2)(r^14). .......(2). (RHS) Since LHS = RHS , hence proved.

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Value of tan 22.5

Posted by Rajeev Ranjan 7 years, 3 months ago

CBSE > Class 11 > Mathematics

2 answers

Navneet Aggarwal 7 years, 3 months ago

0.41421356

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Yogita Ingle 7 years, 3 months ago

0.55785173935

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(2x+3y)4 ka prasar

Posted by Ashwani Verma Ashwani Verma 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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The difference between any two consecutive interior angles of a polygon is 5°. If the smallest angle is 120°. Find the number of the sides of a polygon?

Posted by Pooja Shony 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Vinay Yadav 7 years, 3 months ago

Sum of n side of polygon =(n-2)×180 Sn=180n-360 n/2(2a+(n-1)d)=180n-360 n/2(240+5n-5)=180n-360 n/2(235+5n)=180n-360 235n+5n**2=360n-720 5n**2-125+720=0 Dividing by 5 for simplify the equation Then we have n**2-25n+144=0 n**2-9n-16n+144=0 n(n-9)-16(n-9)=0 n-16=0. (n-9)=0 n=16. n=9 We take n=9 Because when n=16 180°<n ** Means power

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Is it possible to change a subject after getting registered for board?

Posted by Varda Dhaka 7 years, 3 months ago

CBSE > Class 11 > Mathematics

3 answers

Priyanshu Singh 7 years, 3 months ago

Yes

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Aman Kumar 7 years, 3 months ago

I think no

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Priya Dharshini ☺☺ 7 years, 3 months ago

Yes i think so but there is huge process for it . Its better to take good decision before registration

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What is argand plane

Posted by Ratnam Tripathi 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Rikku Mahto 7 years, 3 months ago

On which graph real and imaginary values showing

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Find r and write the next four terms of 5,0.5,0.05

Posted by Armandeep Dhillon 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Diwas Upadhyay 7 years, 3 months ago

R is 1/10 and next terms are 0.005 0.0005 0.00005 .....and so on ....

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In a 2 digit number the face value of the digit in the ten place is double the the face value of the digit in the one place.if the sum of two face values is 12. Find the two digit number.

Posted by Deepak Singh 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Diwas Upadhyay 7 years, 3 months ago

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What is integet

Posted by Rudresh Hirpara 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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Proov that - cos ²x + cos ²(x+π/3) + cos²( x- π /3)=3/2

Posted by Aryan Sharma 7 years, 3 months ago

CBSE > Class 11 > Mathematics

2 answers

Diwas Upadhyay 7 years, 3 months ago

Its example of ncert ....u can understand from there only ....misc last example....

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Rikku Mahto 7 years, 3 months ago

Here, put cos^2x=1+cos2x/2

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9!\(5!)(3!)

Posted by Harsh Singh 7 years, 3 months ago

CBSE > Class 11 > Mathematics

6 answers

Chaudhary Yash Phogat 7 years, 3 months ago

Answer hai504

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Chaudhary Yash Phogat 7 years, 3 months ago

9!/(5!)(3!)=9. 8. 7. 6.(5!)/(5!)(3!) Sooo cut 5!to 5! Fir 3! Bcha esse open krro aur aage toh easy hai.....

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Diwas Upadhyay 7 years, 3 months ago

504 correct definitely

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Rikku Mahto 7 years, 3 months ago

Aman right

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N Jangid 7 years, 3 months ago

2,016

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Aman Kumar 7 years, 3 months ago

9×8×7×6×5!/5!×3×2×1...... = 72×7= 504 I think this is the answer. ? if wrong then sry

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7+8

Posted by Asmit Singh 7 years, 3 months ago

CBSE > Class 11 > Mathematics

3 answers

Chaudhary Yash Phogat 7 years, 3 months ago

Hehehe it is 15??????

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Rikku Mahto 7 years, 3 months ago

Ek aur fool

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Kamlesh Chander 7 years, 3 months ago

Obvious dear itss 15=7+8

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Multiplicative inverse of 4-£-9

Posted by Mridul Rabha 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Ritu Thapliyal 7 years, 3 months ago

Don't know

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at what point the origin be shifted, if the coordinates of a point (6,7) becomes

Posted by Nancy Rajput 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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How many 4-digit even number can be made by 0,1,2,3,4,5,6?

Posted by Devansh Agrawal 7 years, 3 months ago

CBSE > Class 11 > Mathematics

2 answers

Amrit Kaur 7 years, 3 months ago

7×7×7×7

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Arpita Mishra 7 years, 3 months ago

10,12,14,16,22,24,26

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Find the derivative of f(x)=2x+3/3x+2 from the furst principle

Posted by Amrit Kaur 7 years, 3 months ago

CBSE > Class 11 > Mathematics

2 answers

Amrit Kaur 7 years, 3 months ago

Koi to ans dedo??

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Nancy Rajput 7 years, 3 months ago

it's first principle

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What is the minimum and maximum value of sin^4x cos^4x where X belongs to R.

Posted by Chocolate Boy 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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0/0

Posted by Aakarsh Sharma 7 years, 3 months ago

CBSE > Class 11 > Mathematics

5 answers

Sangeeth M?? 7 years, 3 months ago

It is indetermidant

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Mr. Thakur 7 years, 3 months ago

It is very tough question.......?? But.... I know the answer is zero represents by the symbol....0...??

2Thank You

Harsh Jindal 7 years, 3 months ago

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Kartikey Pal 7 years, 3 months ago

Answer is 0.......

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Chaudhary Yash Phogat 7 years, 3 months ago

Can't divided by zero

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prove that 5 +55 +555 +5555..... n digits =5 /81 (10 per power n+1_9n_10)

Posted by Satya Yadav 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Anuradha Chhonkar 7 years, 3 months ago

Let Sn = 5 + 55 + 555 + ........... to n terms then, Sn = 5 ( 1 + 11 + 111 +........ to n terms ) Sn = 5/9 ( 9 + 99+999+.......to n terms ) Sn = 5/9 { ( 10-1 ) + ( 100-1 ) + ( 1000-1 )+.......+ ( 10 to the power n -1 )} Sn = 5/9 { ( 10+100+1000 +........ 10 to the power n ) } Sn = 5/9 { 10 (10 to the power n - 1/ 10-1) - n} Sn = 5/9{ 10/9 ( 10 to the power n. - 1 ) - n} Sn = 5/81 ( 10 to the power n+1 -9n -10 )

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Relation between permutation and combination

Posted by Vinay Yadav 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Satya Yadav 7 years, 3 months ago

In a combination only selection is made whereas in a permutations not only a selection is made but also an arrangement in a definite order is considered

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What is the rank of hexagon according to dictionary

Posted by Yuganshi Khattar 7 years, 3 months ago

CBSE > Class 11 > Mathematics