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If the coefficients of the rth, (r+1)t h...

If the coefficients of the rth, `(r+1)t h ,(r-2)t h` terms is the expansion of `(1+x)^(14)` are in A.P, then the largest value of `r` is.

A

15

B

1

C

9

D

5

Text Solution

Verified by Experts

The correct Answer is:
C, D
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