Question: b) Let f be a differentiable function of one variable, and let z = f (3x2 5y?). Show that | az az + 3x

b) Let f be a differentiable function of one variable, and let

b) Let f be a differentiable function of one variable, and let z = f (3x2 5y?). Show that | az az + 3x = 0.

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