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raytiller1

  • 3 years ago

can someone help me with the steps i have an answer just don't know how? geometric partial sum ∑[i=1,5,3(-4)^(i-1)].

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  1. perl
    • 3 years ago
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    you want to just plug them in i=1,2,3,4,5 3(-4)^(1-1) + 3(-4)^(2-1) + 3(-4)^(3-1) + 3(-4)^(4-1) + 3(-4)^(5-1)

  2. perl
    • 3 years ago
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    are you looking for a generaly formula? you would need the whole formula

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