Register to reply

Proof Involving Partial Derivatives Chain Rule

by runningeagle
Tags: chain, derivatives, involving, partial, proof, rule
Share this thread:
Jan25-10, 10:32 PM
P: 1
1. The problem statement, all variables and given/known data



show d2z/dx2+d2z/dy2 = e-2s[d2z/ds2+ d2/dt2

2. Relevant equations

The product rule

3. The attempt at a solution

I found d2x/dt2=2e2ssin(t)cos(t)d2z/dydx + e2scos2(t)dz/dy2

But, now I'm lost. It doesn't seem to be going anywhere. I don't know where I am going to get rid of the d2z/dydx term.

Thank your for your help.
Phys.Org News Partner Science news on
NASA team lays plans to observe new worlds
IHEP in China has ambitions for Higgs factory
Spinach could lead to alternative energy more powerful than Popeye

Register to reply

Related Discussions
Chain Rule with partial derivatives Calculus & Beyond Homework 8
Partial Derivatives and The Chain Rule Calculus & Beyond Homework 6
Chain rule: partial derivatives transformation Calculus & Beyond Homework 3
Partial Derivatives (Chain Rule) Introductory Physics Homework 2
Partial derivatives + Chain rule Calculus 6