Question Function Find the first partial derivative with respect to b Find the first partial derivative with respect to n ∂b∂l=1 Evaluate l=b−n×1Any expression multiplied by 1 remains the same l=b−nFind the first partial derivative by treating the variable n as a constant and differentiating with respect to b ∂b∂l=∂b∂(b−n)Use differentiation rule ∂x∂(f(x)±g(x))=∂x∂(f(x))±∂x∂(g(x)) ∂b∂l=∂b∂(b)−∂b∂(n)Use ∂x∂xn=nxn−1 to find derivative ∂b∂l=1−∂b∂(n)Use ∂x∂(c)=0 to find derivative ∂b∂l=1−0Solution ∂b∂l=1 Show Solution Solve the equation Solve for b Solve for l Solve for n b=l+n Evaluate l=b−n×1Any expression multiplied by 1 remains the same l=b−nSwap the sides of the equation b−n=lSolution b=l+n Show Solution