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- Find nth term
Nth term of an arithmetic or geometric sequence
The main purpose of this calculator is to find expression for the nth term of a given sequence. Also, it can identify if the sequence is arithmetic or geometric. The calculator will generate all the work with detailed explanation.
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examples
example 1:ex 1:
Determine if a sequence is arithmetic or geometric : $ 1, 2, 4, 8, ... $.
example 2:ex 2:
What is the next term in the following sequence : $ 1, 5, 9, 13, ... $
example 3:ex 3:
What is the value of x? $$ \frac{2}{3}, 1, \frac{3}{2}, \frac{9}{4}, x $$
example 4:ex 4:
What is the $n^{th}$ term of the sequence? $$ 2, 6, 10, 14, 18, ...$$
example 5:ex 5:
Find the general expression for the arithmetic sequence? $$ \frac{5}{2}, 5, 10, 20, . . . $$
example 6:ex 6:
Find the first five terms of the sequence where $ a_n = 2 n^2 - \dfrac{1}{n} $.
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