Home
Class 12
MATHS
In the expansion of (1+x)^n , the coe...

In the expansion of ` (1+x)^n` , the coefficients of pth and (p+1) th terms are respectively p and q then p+q=

A

n+3

B

n+2

C

n

D

n+1

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2017

    SIA PUBLICATION|Exercise PHYSICS|32 Videos
  • SAMPLE PAPER 2017

    SIA PUBLICATION|Exercise CHEMISTRY|3 Videos
  • QUESTION PAPER

    SIA PUBLICATION|Exercise CHEMISTRY|8 Videos
  • STRAIGHT LINE

    SIA PUBLICATION|Exercise EXERCISE (PROBLEMS)|45 Videos

Similar Questions

Explore conceptually related problems

P and Q are respectively

If the coefficient of (3r)^(th) and (r + 2)^(th) terms in the expansion of (1 + x)^(2n) are equal then n =

If 'a' is the coefficient of the middle term in the expansion of (1 + x)^(2n) and b,c are the coefficients of two middle terms in the expansion of (1 + x)^(2n -1) then

If the coefficients of 5th, 6th, 7th terms of (1+x)^n are in A.P. then n=

If the coefficients of 2nd, 3rd, 4th terms of (1+x)^n are in A.P. then n=

If the coefficient of pth term in the expansion of (1+x)^n is p and the coefficient of (p+1)th term is q then n=

If p and q are the coefficients of x^n in (1+x)^(2n-1) and (1+x)^(2n) respectively then 2p=

Assertion (A): In the expansion of (1+x)^n , three consecutive terms are 5, 10,10 then n = 5 Reason (R ): If the coefficient of r^(th), (r + 1)^(th), (r + 2)^(th) terms of (1 +x)^n are in A.P. then (n-2r)^2 = n +2

If the coefficient of rth, (r + 1)th and (r+ 2)th terms in the expansion of (1 + x) ^(n) are respectively in the ratio 2:4:5, then (r,n)=