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The value of sum(r=2)^n (-2)^r|(n-2C(r-...

The value of `sum_(r=2)^n (-2)^r|(n-2C_(r-2),n-2C_(r-1),n-2C_r),(-3,1,1),(2,-1,0)|(n > 2)`

A

`2n-1+(-1)^(n)`

B

`2n+1+(-1)^(n)`

C

`2n-3+(-1)^(n)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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