A general solution of the differential equation \((x + y) \frac{dy}{dx} = x - y\) will be _____ where c is a constant.

A general solution of the differential equation \((x + y) \frac{dy}{d

1.	A general solution of the differential equation \((x + y) \frac{dy}{dx} = x - y\) will be _____ where c is a constant.
A.	x2 + xy + y2 = c
B.	x2 - 2xy - y2 = c
C.	2x2 + xy + y2 = c
D.	x2 + 2xy - y2 = c
Answer» C. 2x2 + xy + y2 = c

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