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by chirag.shah285
Mon Mar 09, 2009 6:57 pm
 
Forum: Manhattan Prep GMAT CAT Math
Topic: CAT 3 Help
Replies: 3
Views: 1698
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CAT 3 Help

If a^2 is not equal to b^2, what is the value of a - b/a^2 - b^2 ?

(1) 3^b + 2 = 81

(2) a = 3^2b - 3

Can someone explain how to work this out? Thanks