Question Function Find the first partial derivative with respect to s Find the first partial derivative with respect to r ∂s∂a=21r Simplify a=21srFind the first partial derivative by treating the variable r as a constant and differentiating with respect to s ∂s∂a=∂s∂(21sr)Use differentiation rule ∂x∂(cf(x))=c×∂x∂(f(x)) ∂s∂a=21r×∂s∂(s)Use ∂x∂xn=nxn−1 to find derivative ∂s∂a=21r×1Solution ∂s∂a=21r Show Solution Solve the equation Solve for r Solve for s r=s2a Evaluate a=21srSwap the sides of the equation 21sr=aDivide both sides 21s21sr=21saDivide the numbers r=21saSolution More Steps Evaluate 21saMultiply by the reciprocal a×s2Multiply the numbers sa×2Multiply the numbers s2a r=s2a Show Solution
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