(1-y^2+y^4/x^2)p^2-2yp/x+y^2/x^2=0
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Step-by-step explanation:
A,×p2-2yp+2y=0
B,x2P2+yp(2×+)+y2=0
C,(×2+y2)(1+p)2-2(x+y) (1+p)(x+yp)+x+yp)2=0
Note: p=dy/dx
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