If a curve y=f(x) passes through the poi...

If a curve `y=f(x)` passes through the point `(1,-1)` and satisfies the differential equation,
`y(1+x y)dx""=x""dy` , then `f(-1/2)` is equal to:

A

(a) `-4/5`

B

(b) `2/5`

C

(c) `4/5`

D

(d) `-2/5`

Verified by Experts

The correct Answer is:

C

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