Write a formula for the general term (the nth term) of the arithmetic sequence shown below. Do not use a recursion formula. Then use the formula for a, to find a20, the 20th term of the sequence. aan-1+8, a₁ =2 a," 20-(Simplify your answer.)
Write a formula for the general term (the nth term) of the arithmetic sequence shown below. Do not use a recursion formula. Then use the formula for a, to find a20, the 20th term of the sequence. aan-1+8, a₁ =2 a," 20-(Simplify your answer.)
Chapter9: Sequences, Probability And Counting Theory
Section9.2: Arithmetic Sequences
Problem 73SE: Write an arithmetic sequence using a recursive formula. Show the first 4 terms, and then find the...
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Transcribed Image Text:Write a formula for the general term (the nth term) of the arithmetic sequence shown below. Do not use a recursion formula. Then use the formula for a,, to find a20, the
20th term of the sequence.
aan-1+8, a₁ =2
a "
#20- (Simplify your answer.)
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