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If x=(1-t^2)/(1+t^2), y=(2t)/(1+t^2), fi...

If `x=(1-t^2)/(1+t^2)`, `y=(2t)/(1+t^2)`, find `(dy)/(dx)` at x=2.

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PRADEEP PUBLICATION-CONTINUITY AND DIFFERENTIABILITY-EXERCISE
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  2. Find (d^2y)/(dx^2) in the following If x = a (theta + sin theta) , y...

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