fe of and ди du Use the Chain Rule to evaluate the partial derivatives at (и, v) — (-2, —2). f(x, y, z) = x³ + yz?, x = u² + v, y= u+ v², (Give exact answers. Use symbolic notation and fractions where needed.) du l(u,v)=(-2,-2) df du l(u,v)=(-2,-2)

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