Engineering Board Exam Reviewer · Variable Separable Equations · medium

Find the general solution of dy/dx=xy2.

1. y = 2C + x2
2. y = - 2C + x2
3. y = C e x22
4. 1/y = C + x22

Answer

B. y = - 2C + x2

Solution

dy/y2=x,dx - 1y=x2/2+c y=-2/x2+C.

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