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" 73.If "xy=4," prove that "x((dy)/(dx)+...

" 73.If "xy=4," prove that "x((dy)/(dx)+y^(2))=3y

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If x y=4 , prove that x((dy)/(dx)+y^2)=3y

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If x y=4,prove , x((dy)/(dx)+y^2)=3y

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