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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

`(16,(251)/(3))`

B

`(14,(251)/(3))`

C

`(14,(272)/(3))`

D

`(16,(272)/(3))`

Text Solution

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The correct Answer is:
D
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