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anonymous

  • one year ago

Find the sum of the infinite geometric series, if it exists. 4 - 1 + - + . . . A. - 1 B. 3 C.16/5 D. does not exist

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  1. perl
    • one year ago
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    It looks like the ratio is -1/4

  2. anonymous
    • one year ago
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    what do you mean, the question?

  3. perl
    • one year ago
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    geometric series: a + a*r + a*r^2 + ... here we have 4 + 4*(-1/4) + 4*(-1/4)^2 + ... the sum of a geometric series : a + a*r + a*r^2 + ... = a / ( 1 - r )

  4. anonymous
    • one year ago
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    ok so is the problem wrong or are we working out the problem

  5. anonymous
    • one year ago
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    are you still here?

  6. perl
    • one year ago
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    the problem is fine :)

  7. perl
    • one year ago
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    can you finish it based on what i gave you

  8. anonymous
    • one year ago
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    No im sorry i dont understand this at all can you elaborate just a little bit more

  9. anonymous
    • one year ago
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    Find the sum of the infinite geometric series, if it exists. 4 - 1 +1/4 -1/16 + ... . A. - 1 B. 3 C. 16/5 D.does not exist

  10. anonymous
    • one year ago
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    im so sorry you were right

  11. anonymous
    • one year ago
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    but its not a -1/4

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spraguer (Moderator)
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