Mathematics, 31.08.2019 06:20 rtorres3
the 4th term in a geometric sequence is -15, the 5th term is 45, and the 6th term is -135. find the sum of the first 7 terms.
1) -105
2) -101 1/9
3) 305
4) 303 8/9
Answers: 1
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the 4th term in a geometric sequence is -15, the 5th term is 45, and the 6th term is -135. find the...
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