- #1
alvielwj
- 20
- 0
Homework Statement
Find the directional derivative of w = x^3 + y^2 + 3z at the point (1, 3, 2) on the curve of intersection of the surfaces
x^2 + y^2− 2xz = 6, 3x^2− y^2 + 3z = 0, in the direction of increasing z.
Homework Equations
The Attempt at a Solution
i know how to solve the directional dirivative of a function of at a point on the given vector.but in this question I don't know how to solve the equations,and "in the direction of increasing z" does not make sense