Find nth term rule for a_2=28 and a_5=−1792

4enevi

4enevi

Answered question

2022-10-29

Find nth term rule for a 2 = 28 and a 5 = - 1792

Answer & Explanation

Teagan Zamora

Teagan Zamora

Beginner2022-10-30Added 18 answers

Divide the terms: a 5 a 2 = a r 4 a r = - 1792 28
a r 4 a r = - 64
r 3 = - 64
r = - 4
a 1 = 28 - 4 = - 7
a n = - 7 ( - 4 ) n = 1

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