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If \( \sqrt{1-x^2}+\sqrt{1-y^2}=a(x-y),\) prove that \( \large\frac{dy}{dx}=\frac{\sqrt{1-y^2}}{\sqrt{1-x^2}} \).
cbse
class12
modelpaper
2012
sec-b
q20
math
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asked
Jan 23, 2013
by
thanvigandhi_1
edited
Jul 23, 2013
by
sreemathi.v
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