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Mathematics 7 Online
OpenStudy (anonymous):

1. Σ n = 1 ∞ 6 ( – 3 5 ) n a. – 9 4 b. 60 7 c. –9 d. 15 2. Σ n = 1 ∞ 3 ( – 3 10 ) n a. 15 2 b. – 9 7 c. 30 7 d. – 9 13

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