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If the coefficient of r^(th) term, (r+...

If the coefficient of `r^(th)` term, `(r+4)^(th)` term are equal in the expansion of `(1 + x)^(20)`, then the value of r will be

A

7

B

8

C

9

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
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