InterviewSolution
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यदि ` y= sqrt(cos x + sqrt(cos x+ sqrt(cos x +...infty ),))` तब सिद्ध कीजिये की ` " "(dy)/(dx )=(sinx )/(1-2y)` |
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Answer» ` " "y= sqrt (cos x+y) " "rArr " "y^(2) =cos x+ y` ` rArr " "2y (dy)/(dx) =(dy)/(dx) -sinx " "rArr " "(dy)/(dx)= (sinx )/(1-2y)` |
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