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Math Help - real analysis limit

  1. #1
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    real analysis limit

    give an example of a convergent sequence Xn of positive numbers with =1

    give an example of a divergent sequence with this property. Thus this property can not be used as a test for convergence

    thanks for trying to help!!
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  2. #2
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    convergent sequence 1^n
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  3. #3
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    part b would then be the alternating series (-1)^n+2 correct?
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