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The General Solution of the Exact Differential Equation (2xy+1y)dx+(yxy2)dy=0\left( \frac { 2 x y + 1 } { y } \right) d x + \left( \frac { y - x } { y ^ { 2 } } \right) d y = 0

Question 77

Multiple Choice

The general solution of the exact differential equation (2xy+1y) dx+(yxy2) dy=0\left( \frac { 2 x y + 1 } { y } \right) d x + \left( \frac { y - x } { y ^ { 2 } } \right) d y = 0 is


A) x2+xy+lny=C- x ^ { 2 } + \frac { x } { y } + \ln y = C
B) x2xylny=Cx ^ { 2 } - \frac { x } { y } - \ln y = C
C) x2+xylny=Cx ^ { 2 } + \frac { x } { y } - \ln y = C
D) x2+xy+lny=Cx ^ { 2 } + \frac { x } { y } + \ln y = C
E) x2xy+lny=Cx ^ { 2 } - \frac { x } { y } + \ln y = C

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