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Questions  

 The solution of differential equation dydx=1x(yx)x3(yx)3 is 

a
y−x−2=cex2−1-x2
b
y+x−2=cex2−x2
c
y−x−2=cex2−1+x2
d
None of these

detailed solution

Correct option is C

Put y−x=v⇒dvdx+Vx=−x3v2 v−3dvdx+xv−2=−x3 put V−2=u⇒dudx−2xu=2x3  G.S. is (y−x)−2=cex2−1+x2

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