I(n)=int(0)^(pi//4)tan^(n)xdx, then lim(...

`I_(n)=int_(0)^(pi//4)tan^(n)xdx`, then `lim_(n to infty) n[I_(n)+I_(n-2)]` equals :

A

`1/2`

B

1

C

`infty`

D

zero

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The correct Answer is:

C

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