BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

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by rattan123 » Thu Aug 30, 2012 8:34 am
Values of n for which n^4-n^2+64 is a square.
I've got values of 0,1,-1,8,-8 by trial and error.Is there a method to solve this.!!!
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by Jim@StratusPrep » Thu Aug 30, 2012 5:53 pm
Honestly this is not something you will have to worry about on the GMAT...
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by mohan514 » Fri Aug 31, 2012 9:52 am
what is the source of the exam

looks like a gre question with multiple answer choices

we can plug and eliminate the wrong answers in gmat
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