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In the expansion of (X+Y)^(n), the coeff...

In the expansion of `(X+Y)^(n)`, the coefficients of the 17th and the 13th terms equal. Find the number of term in the expansion

A

26

B

25

C

20

D

24

Text Solution

Verified by Experts

The correct Answer is:
B
`"Use" T_(r+1)=n_(c_(r))x^(n-r)y^(r)`
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