1.

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

Answer» Correct Answer - `log tan x`
`I = int (dx)/(sinx cos x) = int(sec^(2)x)/(tanx)dx`
माना `tan x = t " "rArr sec^(2)xdx = dt`


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