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Ambition

  • 3 years ago

Write the sum using summation notation, assuming the suggested pattern continues. 8 - 40 + 200 - 1000 + ...

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  1. Hoa
    • 3 years ago
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    Sum (from n=1 to infinitive) (-1)^(n+1)* 8* 5^ (n-1)

  2. Hoa
    • 3 years ago
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    |dw:1365198186404:dw|

  3. Hoa
    • 3 years ago
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    that's what I got. hope this helps :)

  4. kropot72
    • 3 years ago
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    \[S _{\infty}=\int\limits_{n=1}^{\infty}8\times (-5)^{n-1}\]

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