2 years ago

What is the sum of the first five terms of the geometric series 2 − 8 + 32 −

Mathematics

1 answer:

MrMuchimi2 years ago

5 0

Answer:

∑ (n = 1 to 5) (2·(-4)^(n - 1))

S5 = 2·((-4)^5 - 1)/((-4) - 1) = 410

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