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Ifint0^1cot^(-1)(1-x+x^2)dx=lambdaint0^1...

`Ifint_0^1cot^(-1)(1-x+x^2)dx=lambdaint_0^1tan^(-1)x dx ,then lambda is equal to` 1 (b) 2 (c) 3 (d) 4

A

1

B

2

C

3

D

4

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