Chapter 16 · Line and Surface Integrals
16.07
Area of Parametric Surfaces
Describe a surface with two parameters, r(u, v). The cross product r_u × r_v gives both a normal vector and the area scale.
About 15 minutes
You'll learn to
- →Parametrize planes, spheres, cylinders and cones
- →Find normal vectors with r_u × r_v
- →Compute surface area as ∬|r_u × r_v| dA