- #1

- 40

- 0

http://img580.imageshack.us/img580/8859/proofea.jpg [Broken]

i am having trouble figuring out how to proceed without knowing anything about the function ψ=ψ(x,y,z). all i know is that it's a function of x,y,z. but how can i figure out how the surface changes w.r.t the tangent vector if i dont even know what the surface is??

i am having trouble figuring out how to proceed without knowing anything about the function ψ=ψ(x,y,z). all i know is that it's a function of x,y,z. but how can i figure out how the surface changes w.r.t the tangent vector if i dont even know what the surface is??

Last edited by a moderator: