Question

the solution of the differential equation (1+x²y²)y dx + (x²y²-1)x dy =0 is

A) xy= ln(x/y) + c
B) xy= 2ln(y/x) + c
C) x²y²= 2ln(y/x) + c
D) none of these​

Answer 1

xy=In(x/y)+c

xy=In(x/y)+c

xy=In(x/y)+c