can anyone give the mathematical proof for this theorem attached.

- Oct 17th 2011, 12:19 PMsaranshProof of error in multi-variable linear approximation formula.
can anyone give the mathematical proof for this theorem attached.

- Oct 17th 2011, 12:21 PMPlatoRe: help urgent...
What is the rush?

Why note type the question is readable LaTeX.

Then we might be inclined to help.