Mathematics
Mathematics, 05.05.2020 21:28, zahrast14

If the fourth term in a geometric sequence is –1 and the common ratio is –1, find the explicit formula of the sequence.
Question 15 options:

A)

an = (1) β‹… (–1)n – 1 for n β‰₯ 1

B)

an = (– 1) β‹… (1)n – 1 for n β‰₯ 1

C)

an = (1) β‹… (1)n – 1 for n β‰₯ 2

D)

an = (–1) β‹… (–1)n – 1 for n < 1

answer
Answers: 2

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If the fourth term in a geometric sequence is –1 and the common ratio is –1, find the explicit formu...

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