Solve for $dy/dx$ given $4xy + 7x + \cos(xy) = 3$.
University of Ilorin MTH102 andriod past question
- $\frac{y\sin(xy) - 4y - 7}{x\sin(xy) - 4x}$
- $\frac{y\sin(xy) + 4y - 7}{x\sin(xy) + 4x}$
- $\frac{y\cos(xy) - 4y - 7}{x\cos(xy) - 4x}$
- $\frac{-(y\sin(xy) - 4y - 7)}{x\sin(xy) - 4x}$
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