If the directional derivative of f(x, y) = x^3*y - x*y^2 + 8 at the point (1,2) in the direction (1/sqrt(2), -1/sqrt(2)) is p/sqrt(2), find the value of p.
Press Enter to check.
Q41
1 Sep 2024
Mathematics 2 · Week 9
Q41.If the directional derivative of f(x, y) = x^3*y - x*y^2 + 8 at the point (1,2) in the direction (1/sqrt(2), -1/sqrt(2)) is p/sqrt(2), find the value of p.
