Find the explicit formula for the following sequence 3, 7, 11, 15,...

Damon Cowan 2022-09-14 Answered
Find the explicit formula for the following sequence 3, 7, 11, 15,...
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Answers (1)

lloviznennj
Answered 2022-09-15 Author has 12 answers
It is an arithemtic progession with first term a 1 = 3 and ratio r=4
hence the general formula is
a n = a 1 + ( n - 1 ) r a n = 3 + ( n - 1 ) 4 = 4 n - 1

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