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Let y=ln(xy)y = \ln \left( \frac { x } { y } \right)

Question 97

Multiple Choice

Let y=ln(xy) y = \ln \left( \frac { x } { y } \right) Using implicit differentiation, yy ^ { \prime } is


A) yx(1+y) \frac { y } { x ( 1 + y ) }
B) yx(1y) \frac { y } { x ( 1 - y ) }
C) yx(y1) \frac { y } { x ( y - 1 ) }
D) xy(1y) \frac { x } { y ( 1 - y ) }
E) xy(x1) \frac { x } { y ( x - 1 ) }

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