The coefficient of x^(53) in the expansi...

The coefficient of `x^(53)` in the expansion `sum_(m=0)^(100)^(100)C_m(x-3)^(100-m)2^m` is `^100 C_(47)` b. `^100 C_(53)` c. `-^(100)C_(53)` d. none of these

`.^(100)C_(47)`

`.^(100)C_(53)`

`-.^(100)C_(53)`

`-.^(53)C_(100)`

Text Solution

Verified by Experts

The correct Answer is:

The given sigma is the expansion of
`[(x-3)+2]^(100)=(x-1)^(100)= (1-x)^(100)`
Therefore, `x^(53)`will occur in `T_(54)`.
Therefore, the coefficient is `-.^(100)C_(53)`.

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