Question

If xdy – ydx = y²dy, y > 0 & y(1) = 1 then y(–3) is

• A. 3
• B. 2
• C. 4
• D. 5

Answer 1

Answer: (A)

3

Answer 2

Make form $\frac{dx}{dy}$ + Px = Q & use x = 1 and y = 1 to find constant of integration