the sequence {an} is defined by a1 = 5 and an+1 = an+7 for n = 1, 2, 3, ... What is the value of a5?

the sequence {an} is defined by a1 = 5 and an+1 = an+7 for  n = 1, 2, 3, ... What is the value of a5?
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1 Answer

The series starts with 5 and 7 is the common difference so the series is:

5, 12, 19, 26, 33 making a₅=33. This is the same as a₁+4×7=5+28.

by Top Rated User (1.2m points)

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