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If the co-efficient of x^(2r) is greater...

If the co-efficient of `x^(2r)` is greater than half of the co-efficient of `x^(2r+1)` in the expansion of `(1+x)^(15)` , then the possible value of 'r' equal to :

A

5

B

6

C

7

D

8

Text Solution

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The correct Answer is:
A, B, C
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