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Question 15 (5 points) Write a recursive formula for finding the nth term of each geometric sequence. 5, 20, 80, ... O a = 20, a

Question 15 (5 points)
Write a recursive formula for finding the nth term of each geometric sequence.
5, 20, 80, ...
O a = 20, a n = 4an – 1
=
an = 80, an = 4an-1
=
=
a = 5, an = 4an - 2
=
O a = 5, a n = 4an-1

Question 15 (5 points) Write a recursive formula for finding the nth term of each geometric sequence. 5, 20, 80, ... O a = 20, a n = 4an – 1 = an = 80, an = 4an-1 = = a = 5, an = 4an - 2 = O a = 5, a n = 4an-1

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