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(Solved): Find \( \frac{d y}{d x} \) by Implicit Differentiation: \[ x y+y^{2}=2 \] \[ \frac{-y}{x+2 y} \] \[ ...
Find \( \frac{d y}{d x} \) by Implicit Differentiation: \[ x y+y^{2}=2 \] \[ \frac{-y}{x+2 y} \] \[ \frac{y}{x+2 y} \] \[ \begin{array}{l} \frac{-3 y}{x} \\ \frac{-3 x}{y} \end{array} \]
We can always apply the second derivative test to find the local extrema values. True False