Baqling
2022-09-11
Answered

I neen to get a formula of the nth term for this sequence:1, 1/2, 3, 1/4, 5, 1/6...

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asked 2022-04-27

I have 3 questions

(a) How many unique sequences of 5 symbols that can be formed from 9 symbols? And number of arrangements? n? r?

(b) How many unique sequences of 3 symbols that can be formed from 8 symbols? And number of arrangements? n? r?

(c) How many unique sequences of 3 objects that can be arranged in a row from 9 discrete objects? And number of arrangements? n? r?

(a) How many unique sequences of 5 symbols that can be formed from 9 symbols? And number of arrangements? n? r?

(b) How many unique sequences of 3 symbols that can be formed from 8 symbols? And number of arrangements? n? r?

(c) How many unique sequences of 3 objects that can be arranged in a row from 9 discrete objects? And number of arrangements? n? r?

asked 2022-09-09

Find the sum of the first 10 terms of the arithmetic sequence, if the first term is 5 and the common difference is -8

asked 2022-03-27

Find the first five terms of the sequence defined by each of these recurrence relations and initial conditions

an = nan−1 + n2an−2, a0 = 1, a1 = 1

an = an−1 + an−3, a0 = 1, a1 = 2, a2 = 0

asked 2021-12-06

What are the terms $a}_{0},{a}_{1},{a}_{2},\text{}{\textstyle \phantom{\rule{1em}{0ex}}}\text{and}{\textstyle \phantom{\rule{1em}{0ex}}}\text{}{a}_{3$ of the sequence {$a}_{n$ }, where ${a}_{n}\text{}equals\text{}{a}_{n}=\left[\frac{n}{2}\right]+\left[\frac{n}{2}\right]$ ?

asked 2022-07-02

Which of the sequences is being generated by an "Explicit Formula"?

${a}_{n}={n}^{2}+3$

${a}_{n}=5n-7$

${a}_{n}=\frac{2}{n+1}$

${a}_{n+2}={a}_{n+1}-3{a}_{n}$

${a}_{n}={n}^{2}+3$

${a}_{n}=5n-7$

${a}_{n}=\frac{2}{n+1}$

${a}_{n+2}={a}_{n+1}-3{a}_{n}$

asked 2022-09-17

Help, i need to find the explicit formula for the following sequence 38, 33, 28, 23,...

asked 2022-06-13

Describe the following sequences and find the next three terms. 1

1) 1, 4, 9, 16, 25, …

2) -5, -3, -1, 1, 3, 5, …

3) 1, 3, 6, 10, 15, …

1) 1, 4, 9, 16, 25, …

2) -5, -3, -1, 1, 3, 5, …

3) 1, 3, 6, 10, 15, …