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The coefficients of x^3 and x^4 in the e...

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

A

`(14,251/3)`

B

`(14,272/3)`

C

`(16,272/3)`

D

`(16,251/3)`

Text Solution

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The correct Answer is:
C
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