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In the expansion of (x^2+1+1/(x^2))^n ,n...

In the expansion of `(x^2+1+1/(x^2))^n ,n in N ,` number of terms is`2n+1` coefficient of constant terms is `2^(n-1)` coefficient of `x^(2n-1)i sn` coefficient of `x^2` in `n`

A

number of terms is `2n+1 `

B

coefficient of constant term is `2^(n–1)`

C

coefficient of `x^(2n–2)` is n

D

coefficient of `x^(2)` in n

Text Solution

Verified by Experts

The correct Answer is:
A, C
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