is differentiable and , show that .

I think i'll use chain rule and that equation will be

From now on i can not find any value for ,, and . (Headbang) So how can i find these values?

If that's not the way of solution, i need some hints.

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- March 31st 2010, 06:18 AMLafexlosChain Rule in Partial Derivative
is differentiable and , show that .

I think i'll use chain rule and that equation will be

From now on i can not find any value for ,, and . (Headbang) So how can i find these values?

If that's not the way of solution, i need some hints. - March 31st 2010, 06:31 AMRuun
This is only intuition

. - March 31st 2010, 06:36 AMLafexlos
wow.! I didn't know, i can split derivative like that.

Thanks. =) - March 31st 2010, 06:39 AMRuun
Neither do I lol, it`s just the only thing I can think of, may be wrong. Wait for a serious mathematician or something..

- March 31st 2010, 01:12 PMICanFlyHint
Hint:

- March 31st 2010, 01:31 PMLafexlos
- March 31st 2010, 02:45 PMICanFly