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`(2sin 2x)/(cos^(2)2x)` का समाकलन कीजिये - |
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Answer» Correct Answer - `sec 2x` माना `cos2x = t rArr -sin2x. 2dx = dt` `rArr 2 sin 2xdx = - dt` तब `I = - int(1)/(t^(2))dt = (1)/(t)= (1)/(cos2x)` |
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