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Question

Solve the differential equation ydx(x+2y2)dy=0

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Solution

To Solve the differential equation

ydx(x+2y2)dy=0

This can be written as

ydx=(x+2y2)dy

dxdy=(x+2y2)y

dxdy=xy+2y2y

dxdy=xy+2y2y

This is the Linear Differential Equation in "y"

So , Its Integrating Factor =

IF=e1ydy

IF=elny=elny1

IF=y1=1y

Now , Its Complete Solution will be

x.IF=IF.(2y)dy

x.1y=1y×(2y)dy

xy=2dy

xy=2y22+C

xy=y2+C

Where C is the Integration Constant

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