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Multivariable CalculusHardThe Chain Rule & Implicit Differentiation

The Chain Rule & Implicit Differentiation · Hard problem

Let w=x2y+3yw = x^{2} y + 3 y with x=2t2x = 2 t^{2} and y=t+1y = t + 1. Find dwdt\dfrac{dw}{dt} at t=1t = 1.