Find the closed formula for each of the following sequences (a„)n21 by relating them to a well known sequence. Assume the first term given is a1. а. 4, 7, 12, 19, 28, ... an =
Find the closed formula for each of the following sequences (a„)n21 by relating them to a well known sequence. Assume the first term given is a1. а. 4, 7, 12, 19, 28, ... an =
Chapter12: Sequences, Series And Binomial Theorem
Section12.1: Sequences
Problem 12.8TI: Find a general term for the sequence whose first five terms are shown. 5, 10, 15, 20, 25, …
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![Find the closed formula for each of the following sequences \((a_n)_{n \geq 1}\) by relating them to a well-known sequence. Assume the first term given is \(a_1\).
a. \(4, 7, 12, 19, 28, \ldots\)
\[
a_n = \boxed{\phantom{a}}
\]
b. \(-1, 1, 4, 8, 13, \ldots\)
\[
a_n = \boxed{\phantom{a}}
\]
c. \(7, 11, 16, 22, 29, \ldots\)
\[
a_n = \boxed{\phantom{a}}
\]
d. \(23, 119, 719, 5039, 40319, \ldots\)
\[
a_n = \boxed{\phantom{a}}
\]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F76b39ad3-98e6-4bd8-afd7-9890d91d962f%2F05873337-64ef-4883-9e73-e4f73f9469fb%2Fzkta2gs_processed.png&w=3840&q=75)
Transcribed Image Text:Find the closed formula for each of the following sequences \((a_n)_{n \geq 1}\) by relating them to a well-known sequence. Assume the first term given is \(a_1\).
a. \(4, 7, 12, 19, 28, \ldots\)
\[
a_n = \boxed{\phantom{a}}
\]
b. \(-1, 1, 4, 8, 13, \ldots\)
\[
a_n = \boxed{\phantom{a}}
\]
c. \(7, 11, 16, 22, 29, \ldots\)
\[
a_n = \boxed{\phantom{a}}
\]
d. \(23, 119, 719, 5039, 40319, \ldots\)
\[
a_n = \boxed{\phantom{a}}
\]
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