Question

The solution of dy/dx = 1 + x + y + xy is

(a) x - y = k(1 + xy)

(b) log(1 + y) = x + (x2/2) + k

(c) log(1 + x) = y + (y2/2) + k

(d) none of these

Answer 1

Answer is (b) log(1 + y) = x + (x2/2) + k