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If x^m y^n=(x+y)^(m+n), prove that (dy)/...

If `x^m y^n=(x+y)^(m+n),` prove that `(dy)/(dx)=y/x` .

A

`(x+y)/(xy)`

B

`xy`

C

`x//y`

D

`y//x`

Text Solution

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The correct Answer is:
D
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