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Question

y(dydx)2+y=2xydydx

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Solution

Given,

y(dydx)2+y=2xydydx

substitute dydx=p

yp2+y=2xyp

y=2xy2yp.....(1)

using Clairaut's equation, differentiate both sides of (1) w.r.t p

dydp=2xy2yp

To find the solution, set dydp=0

0=2xy2yp

p=x

substitute the value of p in equation (1)

y=2x2yyx2

y=xy

is the required equation.

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