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If x^(p) y^(q) = (x + y)^((p + q)) " the...

If `x^(p) y^(q) = (x + y)^((p + q)) " then " (dy)/(dx)=` ?

A

`y/x`

B

`-y/x`

C

`x/y`

D

`-x/y`

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The correct Answer is:
A
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