If in the expansion of (1+x)^(m)(1-x)^(n...

If in the expansion of `(1+x)^(m)(1-x)^(n)` the coefficients of x and `x^(2)` are 3 and -6 respective then m is

A

6

B

9

C

12

D

24

Text Solution

Verified by Experts

The correct Answer is:

C

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