Question Function Find the first partial derivative with respect to v Find the first partial derivative with respect to l ∂v∂f=21l Evaluate f=2vlMultiply the terms f=2vlFind the first partial derivative by treating the variable l as a constant and differentiating with respect to v ∂v∂f=∂v∂(2vl)Use differentiation rules ∂v∂f=21×∂v∂(vl)Solution More Steps Evaluate ∂v∂(vl)Use differentiation rule ∂x∂(cf(x))=c×∂x∂(f(x)) l×∂v∂(v)Use ∂x∂xn=nxn−1 to find derivative l×1Multiply the terms l ∂v∂f=21l Show Solution Solve the equation Solve for f Solve for l Solve for v f=2lv Evaluate f=2vlMultiply the terms f=2vlSolution f=2lv Show Solution