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What is the sum of a 6-term geometric sequence if the first term is 11, the last term is -11,264 and the common ratio is -4?

  • 2 years ago
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  1. sritama Group Title
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    |dw:1342588197372:dw|

    • 2 years ago
  2. sritama Group Title
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    s=sum of gp series , r= common ratio, n=number of terms

    • 2 years ago
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    so everything can be plugged in besides S correct?

    • 2 years ago
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    right you are...sorry for being late.

    • 2 years ago
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