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If I1=intx^1 1/(1+t^2)dt and I2=int1^(1/...

If `I_1=int_x^1 1/(1+t^2)dt` and `I_2=int_1^(1/x) 1/(1+t^2)dt` for `xgt0` then (A) `I_1=I_2` (B) `I_1gtI_2` (C) `I_1ltI_2` (D) None of these

A

`I_(1) gt I_(2)`

B

`I_(1) = I_(2)`

C

`I_(2) gt I_(1)`

D

`I_(2) = (pi//2) - tan^(-1) x`

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