Mathematics, 17.04.2021 03:30 organicmemez
What is the sum of the first seven terms of the geometric series 3 − 6 + 12 − . . . ?
Hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio. (4 points)
S7 = −63
S7 = −9
S7 = 33
S7 = 129
Answers: 1
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What is the sum of the first seven terms of the geometric series 3 − 6 + 12 − . . . ?
Hint: cap s s...
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