12.3 Tangent Plane and Differentiability
1. Can you find and prove an analogue for Chain rule for the multi-variable function?
2. Find the general form of the solution of the wave equation .
3-4. Find the equation of the tangent plane to the given surface at the indicated point.
3. at .
http://matrix.skku.ac.kr/cal-lab/cal-12-3-3.html
(Sol)
1/3*(pi - 3*x)*sqrt(3) - 3/2*y - z - 1/2 == 0
4. at .
http://matrix.skku.ac.kr/cal-lab/cal-12-3-4.html
(Sol)
-w - 2*x - 1 == 0