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If phi(x) is a differentiable function, ...

If `phi(x)` is a differentiable function, then the solution of the different equation `dy+{y phi' (x) - phi (x) phi'(x)} dx=0,` is

A

`y = { phi (x) - 1} + Ce^(-phi(x))`

B

`yphi (x) = {phi (x)}^(2) + C`

C

`ye^(phi) (x) = phi (x) e^(phi (x)) + C`

D

None of these

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The correct Answer is:
A
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