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Math Help - series converge or diverge?

  1. #1
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    series converge or diverge?

    the question is does the series converges or diverges? if so, what does it converge to?
    (3.4^n)/(5^n+1) sum from n=2 to n= infinity

    we only have the integral, direct comparison, limit and ratio test
    thanx in advance!
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  2. #2
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    Quote Originally Posted by twofortwo View Post
    the question is does the series converges or diverges? if so, what does it converge to?
    (3.4^n)/(5^n+1) sum from n=2 to n= infinity

    we only have the integral, direct comparison, limit and ratio test
    thanx in advance!

    Hint: an infinite geometric series \sum^\infty_{n=0}aq^n , with |q|<1 , converges to \frac{a}{1-q} (this is usually high school stuff).

    Tonio
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