Math 12th grade

Find the sum of each infinite series, or state that the sum doesn'nt exist
1/7+5/14+25/28+

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asked by Todd
  1. (5/14) ÷ (1/7) = 2.5
    (25/28)÷(5/14) = 2.5

    From the first three terms I will assume that this is a geometric series with r = 2.5
    since r > 1, it will diverge, thus it will not have a sum that can be calculated.
    The sum will be infinite.

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    posted by Reiny
  2. cucumbeer

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    posted by ashley

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