cistG
2021-02-09
Answered

Write a formula for the nth
term of the arithmetic
sequence 15, 20, 25, 30, ...

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Dora

Answered 2021-02-10
Author has **98** answers

The nnth term of an arithmetic sequence is

For the arithmetic sequence 15, 20, 25, 30, ... the first term is

asked 2022-01-22

Find the Z transform of the sequence

$\left\{k{\left(\frac{1}{2}\right)}^{k}\right\}$

asked 2021-08-21

If

asked 2022-03-26

Consider the following sequences.

a) Find the first four terms of the sequence.

b) Based on part (a), determine a plausible limit of the sequence.

${a}_{n}=\frac{{n}^{2}}{{n}^{2}-1};n=2,3,4,\dots$

a) Find the first four terms of the sequence.

b) Based on part (a), determine a plausible limit of the sequence.

asked 2021-08-18

Do the first six terms of the following sequence

${b}_{1}=1,\text{}{b}_{2}=3,\text{}\text{and}\text{}{b}_{n}={b}_{n-1}-{7}_{b-2}\text{}\text{for}\text{}n\ge 3$

asked 2022-01-07

Find the limits of the sequences

$\sum _{n}^{\mathrm{\infty}}=1\frac{n\times \mathrm{ln}\left(n\right)}{{n}^{2}+1}$

$\sum _{n}^{\mathrm{\infty}}=1\frac{\mathrm{sin}\left(n\right)}{n}$

asked 2022-01-04

Find the limit of the sequences:

$a}_{n}=\frac{8{n}^{2}+1n+1}{7{n}^{2}+9n+9$

asked 2022-03-08

Write recurrence relations that describe the following sequences.

$1,4,13,40,121,\dots$

$1,-3,5,-11,21,-43\dots$