Chapter9: Sequences, Probability And Counting Theory
Section9.2: Arithmetic Sequences
Problem 68SE: Find the 5thterm of the arithmetic sequence 9b,5b,b, .
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Question
![a5 -15 and a13 = -55
=
Find for the arithmetic sequence above:
a21
=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc31cbf7f-a2bb-4c1b-b60f-3c0f4a6ad782%2F01c21804-054a-41c3-adb4-182416050327%2F35960u9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:a5 -15 and a13 = -55
=
Find for the arithmetic sequence above:
a21
=
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