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if y+x(dy)/(dx)=x(phi(xy))/(phi'(xy)) th...

if `y+x(dy)/(dx)=x(phi(xy))/(phi'(xy))` then `phi(xy)` is equation to

A

`ke^(x^(2)//2)`

B

`ke^(y^(2)//2)`

C

`ke^(xy//2)`

D

`ke^(xy)`

Text Solution

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The correct Answer is:
A
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