Home
Class 11
MATHS
If the coefficients of x^3 and x^4 in ...

If the coefficients of `x^3` and `x^4` in the expansion of `(1""+a x+b x^2)""(1-2x)^(18)` in powers of x are both zero, then (a, b) is equal to

A

`(14, 251/3)`

B

`(14, 272/3)`

C

`(16, 272/3)`

D

`(16, 251/3)`

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • BINOMIAL THEOREM

    MODERN PUBLICATION|Exercise CHECK YOUR UNDERSTANDING|10 Videos

  • COMPLEX NUMBERS

    MODERN PUBLICATION|Exercise CHAPTER TEST|12 Videos

Similar Questions

Explore conceptually related problems

the coefficients of x^(3) and x^(4) in the expansion of (1+ax+bx^(2))(1-2x)^(18)

If the coefficient x^(2) and x^(3) in the expansion of (1 + 8x + bx^(2))(1 - 3x)^(9) in the power of x are equal , then b is :

The coefficient of x^(3) in the expansion of (1-x+x^(2))^(5) is

The coefficient of x^(4) in the expansion of (1+x+x^(2))^(6) is

Find the coefficients of x^4 in the expansion of (1+x+x^2)^3

The coefficient of x^(4) in the expansion of (1-x-2x^(2))^(8) is