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anonymous

  • one year ago

Find the 6th partial sum of

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  1. anonymous
    • one year ago
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  2. Nnesha
    • one year ago
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    formula to find sum \[\huge\rm S_n = \frac{ a_1(1-r^n) }{ 1-r}\] where a_1 = first term n= total number of terms r= common ratio

  3. anonymous
    • one year ago
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    how do i know what those are?

  4. Nnesha
    • one year ago
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    |dw:1439764479981:dw| r= ratio a_1 is first term and terms start from 1 to 6

  5. anonymous
    • one year ago
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    thank you!

  6. Nnesha
    • one year ago
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    my pleasure :=)

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