1.

`int(dx)/(x^(2)+4x+13)` का मान होगा -A. `log|x^(2)+4x+13|+c`B. `(1)/(3)tan^(-1)((x+2)/(3))+c`C. `log|(2x+4)|+c`D. `(2x+4)/((x^(2)+4x+13)^(2))+c`

Answer» Correct Answer - B


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