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If n is a positive integer and the coeff...

If n is a positive integer and the coefficient of ` x^10` in the expansion of `(1 + x)^15` is equal to the coefficient of `x^5` in the expansion of `(1-x)^(-n)` then n =

A

15

B

12

C

11

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
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TS EAMCET PREVIOUS YEAR PAPERS-TS EAMCET ENGINEERING ENTRANCE EXAM QUESTION PAPER (2018)-MATHEMATICS
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