Question Function Find the first partial derivative with respect to l Find the first partial derivative with respect to u ∂l∂a=u Simplify a=luFind the first partial derivative by treating the variable u as a constant and differentiating with respect to l ∂l∂a=∂l∂(lu)Use differentiation rule ∂x∂(cf(x))=c×∂x∂(f(x)) ∂l∂a=u×∂l∂(l)Use ∂x∂xn=nxn−1 to find derivative ∂l∂a=u×1Solution ∂l∂a=u Show Solution Solve the equation Solve for l Solve for u l=ua Evaluate a=luRewrite the expression a=ulSwap the sides of the equation ul=aDivide both sides uul=uaSolution l=ua Show Solution
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