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(1)/(x+y-a)+(1)/(x-y+a)+(1)/(y-x+a)=0...

(1)/(x+y-a)+(1)/(x-y+a)+(1)/(y-x+a)=0

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Find y(x) , if it satisfies the following differential equation (dy)/(dx)=(x-y)^2 , and given that y(1)=1 (A) -ln|(1-x+y)/(1+x-y)|=2(x-1) (B) ln|(2-y)/(2-x)=x+y-1 (C) ln|(1-x+y)/(1+x-y)|=2(x-1) (D) 1/2ln|(1-x+y)/(1+x-y)|+ln|x|=0

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