Find the directional derivative of φ = xy2 + yz3 at (1, -1, 1), towards the point (2, 1, -1).
Posted: Thu Jul 14, 2022 9:41 am
a) \( \frac{5}{3} \)
b) \( \frac{-5}{3} \)
c) \( \frac{7}{3} \)
d) \( \frac{1}{3} \)
b) \( \frac{-5}{3} \)
c) \( \frac{7}{3} \)
d) \( \frac{1}{3} \)