Section 14.3 Partial Derivatives

Ex 92

One of Poiseuille’s laws states that the resistance of blood flowing through an artery is
\[R = C \frac{L}{r^4}\]
where \(L\) and \(r\) are the length and radius of the artery and \(C\) is a positive constant determined by the viscosity of the blood.
Calculate \(\partial R / \partial L\) and \(\partial R / \partial r\) and interpret them.