I work out c=s/2 and d=s/2 therefore

and

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- February 20th 2011, 10:56 AMbugatti79
- February 20th 2011, 12:33 PMJester
Now go after .

- February 23rd 2011, 10:32 PMbugatti79
- February 25th 2011, 09:45 AMbugatti79
- February 25th 2011, 09:55 AMJester
You still have an in your answer. Notice that

Now adding and subtracting and gives . Now substitute. - February 25th 2011, 10:28 AMbugatti79
- February 25th 2011, 12:57 PMbugatti79
This is spin off algebraic query and is wrecking my head.

Given and Adding we get

(1)

and subtracting we get (2)

but focusing on (1), I want to find from this...I get

??? - February 25th 2011, 03:57 PMJester
They should equal each other! You have two equations for two unknowns. From your last statement

gives - there's nothing wrong with this.