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December 22, 2014

December 22, 2014

Posted by **James Caulfield** on Wednesday, December 1, 2010 at 8:53pm.

Simplify and state the domain

- Trig/algebra2 -
**Reiny**, Wednesday, December 1, 2010 at 9:42pmyou probably meant ...

(ab-bc+ad-dc)/(ab+bc+ad+dc)

= (b(a-c) - d(a-c))/(b(a+c) + d(a+c))

= (a-c)(b-d)/((a+c)(b+d))

a ≠ -c , b≠ - d

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