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Q.The solution of dydx=x+y1xy+1\dfrac{dy}{dx} = \dfrac{x + y - 1}{x - y + 1} is

a
xy+tan1(xy)=Cx - y + \tan^{-1}(x - y) = C
b
x+y+tan1(x+y)=Cx + y + \tan^{-1}(x + y) = C
c
xytan1(xy)=Cx - y - \tan^{-1}(x - y) = C
d
x+ytan1(x+y)=Cx + y - \tan^{-1}(x + y) = C

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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