Home
Class 12
MATHS
Sum of coefficients of terms of even pow...

Sum of coefficients of terms of even powers of x in `(1 - x + x^2 - x^3)^7` is

A

`-2^17`

B

`2^17`

C

`2^13`

D

`2^12`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Sum of coefficients of terms of odd powers of in (1+x - x^2 -x^3)^8 is

The sum of the coefficients of even power of x in the expansion of (1+x+x^2+x^3)^5 is 256 b. 128 c. 512 d. 64

The sum of the co-efficients of all the even powers of x in the expansion of (2x^2 - 3x + 1)^11 is -

If the sum of coefficients of all even powers in the expansion of (1 + x + x^(2) + ….x^(2n))^(2) is 221. Then the value of n is A. 7 B. 10 C. 11 D. 9

The sum of the coefficients in the expansion of (1 - x + x^(2) - x^(3))^(n) ,is

Find the sum of the coefficients of integral powers of x in (1+3sqrtx)^20

Sum of coefficients of x^(2r) , r = 1,2,3…. in (1+x)^n is

If sum of all the coefficient of even powers in (1-x+x^(2)-x^(3)....x^(2n))(1+x^()+x^(2)....+x^(2n)) is 61 then n is equal to

Assertion (A) : In the (1+x)^50 , the sum of the coefficients of odd powers of x is 2^49 Reason ( R) : The sum of coefficients of odd powers of x in (1+x)^n is 2^(n-1)

Find the coefficient of x^7 in the expansion of (1 - x -x^2 + x^3)^(6)dot