Blood flow consider an artery of length l cm and radius r

Question

Question: BLOOD FLOW Consider an artery of length L cm and radius R cm. Using Poiseuille's law (page 131), it can be shown that the rate at which blood flows through the artery (measured in cubic centimeters/second) is given by

V = ₀∫^R (k/L) x(R² - x²) dx

Where k is a constant. Find an expression for V that does not involve an integral.