Bunuel received 5 Kudos for post Re: If x is an integer, is 9^x + 9^{-x} = b ?.

GiverPostDate
nycsfmbaRe: If x is an integer, is 9^x + 9^{-x} = b ?29-May-2015
shohrat6383Re: If x is an integer, is 9^x + 9^{-x} = b ?24-Oct-2014
papahiroshiRe: If x is an integer, is 9^x + 9^{-x} = b ?12-Oct-2014
DienekesRe: If x is an integer, is 9^x + 9^{-x} = b ?02-Aug-2014
thiagoarnoRe: If x is an integer, is 9^x + 9^{-x} = b ?07-Jan-2014

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