Determine whether the series: 25^-n+2 . 16^n+1converges or diverges. If it converges then find its sum

Can I have some hints in solving this question..(Doh)

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- Jan 28th 2009, 08:42 PMAngel RoxConverging or Diverging...??
Determine whether the series: 25^-n+2 . 16^n+1converges or diverges. If it converges then find its sum

Can I have some hints in solving this question..(Doh) - Jan 28th 2009, 10:07 PMmr fantastic