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सिद्ध कीजिए कि, int(0)^(pi)(xdx)/(a^(2...

सिद्ध कीजिए कि,
`int_(0)^(pi)(xdx)/(a^(2)cos^(2)x+b^(2)sin^(2)x)=(pi^(2))/(2ab)`

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