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    Arithmetic progression

    1. What is the sum of the geometric sequence 8, –16, 32 … if there are 15 terms? (1 point) = 8 [(-2)^15 -1] / [(-2)-1] = 87384 2. What is the sum of the geometric sequence 4, 12, 36 … if there are 9 terms? (1 point) = 4(3^9 – 1)/(3 – 1) = […] More