Compute π dydx π for π y = u³2y π and π u = 8x + 5 π using the chain rule formula. The answer choices are:
a) π 34(8x + 5)² π
b) π 43(8x + 5)² π
c) π 12(8x + 5)² π
d) π 23(8x + 5)² π