1.

Find the general solution for the equation (px-py)(py+x)=2p by reducing into Clairaut s form by using the substitution X=x2, Y=y2 where p= ( frac{dy}{dx} ).

A. (y^2 = x + frac{c}{c+1} )
B. (y^2 = cx^2 frac{2c}{c+1} )
C. (x^2 = cy^2 frac{1}{2c+1} )
D. (x^2 = y^2 + frac{c}{2c+2} )
Answer» C. (x^2 = cy^2 frac{1}{2c+1} )


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