1.

Solution of the differential equation ( frac{dy}{dx} = frac{y(x-y ln y)}{x(x ln x-y)} ) is _____________

A. ( frac{x ln u2061x+y ln u2061y}{xy} = c )
B. ( frac{x ln u2061x-y ln u2061y}{xy} = c )
C. ( frac{ln u2061x}{x} + frac{ln u2061y}{y} = c )
D. ( frac{ln u2061x}{x} frac{ln u2061y}{y} = c )
Answer» B. ( frac{x ln u2061x-y ln u2061y}{xy} = c )


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