Question
Function
Find the first partial derivative with respect to c
Find the first partial derivative with respect to s
∂c∂a=s1
Simplify
a=sc
Find the first partial derivative by treating the variable s as a constant and differentiating with respect to c
∂c∂a=∂c∂(sc)
Use differentiation rule ∂x∂(g(x)f(x))=(g(x))2∂x∂(f(x))×g(x)−f(x)×∂x∂(g(x))
∂c∂a=s2∂c∂(c)s−c×∂c∂(s)
Use ∂x∂xn=nxn−1 to find derivative
∂c∂a=s21×s−c×∂c∂(s)
Use ∂x∂(c)=0 to find derivative
∂c∂a=s21×s−c×0
Any expression multiplied by 1 remains the same
∂c∂a=s2s−c×0
Any expression multiplied by 0 equals 0
∂c∂a=s2s−0
Removing 0 doesn't change the value,so remove it from the expression
∂c∂a=s2s
Solution
More Steps

Evaluate
s2s
Use the product rule aman=an−m to simplify the expression
s2−11
Reduce the fraction
s1
∂c∂a=s1
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Solve the equation
Solve for c
Solve for s
c=as
Evaluate
a=sc
Swap the sides of the equation
sc=a
Cross multiply
c=sa
Solution
c=as
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