PS - exponent 13

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PS - exponent 13

by Xbond » Fri Sep 11, 2009 10:56 am
Hi there,

Could you give me your ELEGANT, QUICK, and EFFICIENT method to resolve (with these concepts and with finding the solution).



If 2(expo x) - 2(expo x-2) = 3(2 expo (13)),what is the value of x ?

a)9
b)11
c)13
d)15
e)17