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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 2010-05-07 05:24:59

Identity
Member
Registered: 2007-04-18
Posts: 934

Showing the steps

Can someone please go through the steps in showing the LHS = RHS?

Thanks

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#2 2010-05-07 05:49:04

soroban
Member
Registered: 2007-03-09
Posts: 452

Re: Showing the steps

.

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#3 2010-05-10 08:33:26

Ricky
Moderator
Registered: 2005-12-04
Posts: 3,791

Re: Showing the steps

soroban, though differentials are written like this because they behave like multiplication/division most of the time, one can not prove an identity by using arithmetic.

Identity, you sure you have it right?  I am getting that (assuming equality of mixed partials)


"In the real world, this would be a problem.  But in mathematics, we can just define a place where this problem doesn't exist.  So we'll go ahead and do that now..."

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#4 2010-05-11 08:19:42

JaneFairfax
Member
Registered: 2007-02-23
Posts: 6,868

Re: Showing the steps

I’m sure Identity’s equation is correct.

Identity wrote:

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