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The middle term in the expansion of (1-3...

The middle term in the expansion of `(1-3x+3x^2-x^3)^(2n)` is

A

`(6n!)/(3n!3n!)x^(n)`

B

`(6n!)/(3n!)x^(3n)`

C

`(6n!)/(3n!3n!)(-x)^(3n)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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