Find the specified sum for each arithmetic series.
1. 2+5+ 8 +..; S7
2. (-15) + (-10) + (5) +....
Mathematics, 18.10.2020 02:01 L3Zenith
Find the specified sum for each arithmetic series.
1. 2+5+ 8 +..; S7
2. (-15) + (-10) + (5) +...;S6
3. a1 =9, d=4 ; S5
4. a=32, d= -3 ; S6
5. 4+11 + 18+...; S10
(with solutions)
Answers: 3
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