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- August 28th 2009, 11:34 PMdhiabFind x
**Find x :**

- August 29th 2009, 01:11 AMred_dog
Use the identity

Then

- August 29th 2009, 04:17 AMSoroban
Hello, dhiab!

I'm getting a*totally*different answer . . . What's going on?

Quote:

Find

Square [2]: .

Divide [1] by [3]: . .

. . Therefore: .

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

I suspect the problem is in the given equations.

Given a system of two equations, there should be__two__variables.

Is there a typo, dhiab?

- August 29th 2009, 06:42 AMpacman
i agree with soroban's observations, sort of two equation in one variable? unlikely occurence sort of . . . . (Headbang)(Crying)

- August 29th 2009, 08:50 AMeXist
What if you were just given one of those equations, say:

How then would one solve this? - August 29th 2009, 10:25 AMskeeter