1.

`(sin 2x)/(a^(2)+b^(2) sin^(2)x)` का समाकलन कीजिये -

Answer» Correct Answer - `(1)/(b^(2))log(a^(2) + b^(2)sin^(2)x)`
माना `a^(2) + b^(2) sin^(2) x = t rArr b^(2).2sinx cos x dx = dt`


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