Question: Let w = f ( x , y , z ) = x y 2 e 2 z , and suppose that x = 3

Let w=f(x,y,z)=xy2e2z, and suppose that x=3t2+1,y=6t,z=t3-1, where t is an independent variable. Find a formula for w'(t)(the rate of change of w with respect to t) in terms of t.
Let w = f ( x , y , z ) = x y 2 e 2 z , and

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