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| 1. |
`int_(-1)^(3)[tan^(-1)((x)/(x^(2)+1))+tan^(-1)((x^(2)+1)/(x))]dx` का मान है-A. `2pi`B. `pi`C. `(pi)/(2)`D. `(pi)/(4)` |
| Answer» Correct Answer - A | |