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| 1. |
`tan ^(-1) {(1+x)/(1-x)} ` का अवकलन गुणांक है-A. ` (2)/(1+x^(2))`B. ` (1)/(1+x^(2))`C. ` (1+x^(2))/(1-x^(2))`D. इनमें से कोई नहीं |
| Answer» Correct Answer - B | |