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If sqrt(1-x^(2))+sqrt(1-y^(2))=a(x-y) , ...

If `sqrt(1-x^(2))+sqrt(1-y^(2))=a(x-y)` , then prove that `(dy)/(dx)=sqrt((1-y^(2))/(1-x^(2)))`

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USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
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