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Is factoring/special product rule for binomial squared/cubed on the GREŽ?



 
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Is factoring/special product rule for binomial squared/cubed on the GRE? #1 (permalink) Sun Oct 26, 2008 7:46 am   Is factoring/special product rule for binomial squared/cubed on the GRE?
 

Anyone know or care to guess, do you need to know any of the following formulae for GRE Math?

1 (a+b)sq = asq+2ab+bsq
2 (a-b)sq = asq-2ab+bsq
3 (a+b)(a-b)= asq - bsq
4 (a+b)cubed = acubed + 3asqb + 3 absq + bcubed
5 (a-b)cubed = acubed - 3asqb + absq - bcubed
6 acubed + bcubed = (a+b)(asq + ab + bsq)
7 quadratic formula
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