Solve the differential equation
dydx=2xlnxy \frac{\text{d}y}{\text{d}x} = \frac{2x \ln x}{y} dxdy=y2xlnxfor x>0x > 0x>0, given that y=3y = 3y=3 when x=1x = 1x=1.
Write your answer in the form y2=f(x)y^2 = f(x)y2=f(x).
34 exam-style questions on OCR A Level Maths 1.8.11 Differential equations with separable variables (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.