Consider the differential equation \(\frac{{dy}}{{dx}} + \frac{y}{x} = {x^2}\) under the condition that y = 1 when x = 1 is ______ then
1
Integration factor is x2
2
Integration factor is x
3
The solution of the differential equation is 4xy = x4 + 3
4
The solution of the differential equation is 4xy = y4 – 3