Teaching MPPSC Assistant Professor Mock Test Series 2025 Engineering Mathematics Calculus Vector Calculus
Directional derivative of φ = 2xz - y2, at the point (1, 3, 2), becomes maximum in the direction of
1
4i + 2j – 3k
2
4i – 6j + 2k
3
2i – 6j + 2k
4
4i – 6j - 2k