Recent questions in Sequences

bmgf3m
2022-01-07
Answered

\(\displaystyle{\sum_{{n}}^{\infty}}={1}{\frac{{{n}\times{\ln{{\left({n}\right)}}}}}{{{n}^{{{2}}}+{1}}}}\)

\(\displaystyle{\sum_{{n}}^{\infty}}={1}{\frac{{{\sin{{\left({n}\right)}}}}}{{{n}}}}\)

Danelle Albright
2022-01-07
Answered

Daniell Phillips
2022-01-07
Answered

veksetz
2022-01-06
Answered

1) h 1h 2t…

2) 3 12 ht…

3) 100 50 25…

4) 1 t 3t…

5) 5h 1t t…

John Stewart
2022-01-06
Answered

(a) How many different sequences of heads and tails are possible?

(b)How many different sequences of heads and tails have exactly fiveheads?

(c) How many different sequences have at most 2 heads?

Joanna Benson
2022-01-06
Answered

a. 2, 6, 18, 54, 162

b. 1, 8 ,15, 22, 29

c. 11, 15, 19, 23, 27

oliviayychengwh
2022-01-06
Answered

a. \(\displaystyle{a}_{{n}}=\frac{{{3}{n}^{{{3}}}}}{{{n}^{{{3}}}+{1}}}\)

b. \(\displaystyle{b}_{{n}}={\left(\frac{{{n}+{5}}}{{{n}}}\right)}^{{{n}}}\)

c. \(\displaystyle{c}_{{n}}={n}^{{\frac{{1}}{{n}}}}\)

Joyce Smith
2022-01-06
Answered

socorraob
2022-01-05
Answered

What fraction of these sequences have exactly five 1s?

Bobbie Comstock
2022-01-05
Answered

What fraction of these sequences have exactly three 3s and three 2s?

Arthur Pratt
2022-01-05
Answered

What fraction of these sequences have exactly three 4s and three 5s?

Shelia Lawrence
2022-01-05
Answered

osula9a
2022-01-04
Answered

\(\displaystyle{a}_{{n}}={\frac{{{8}{n}^{{{2}}}+{1}{n}+{1}}}{{{7}{n}^{{{2}}}+{9}{n}+{9}}}}\)

Kathleen Rausch
2022-01-04
Answered

\(\displaystyle{a}_{{n}}={\frac{{{8}{n}^{{2}}+{1}{n}+{1}}}{{{7}{n}^{{2}}+{9}{n}+{9}}}}\)

William Collins
2022-01-04
Answered

\(\displaystyle{\left({a}\right)}{\left({1}-{\frac{{{3}}}{{{n}}}}\right)}^{{{2}{n}}}\)

\(\displaystyle{\left({b}\right)}{3}^{{\frac{{1}}{{n}}}}\)

deiteresfp
2022-01-04
Answered

keche0b
2022-01-04
Answered

Is this the recursive formula for geometric sequences?

\(\begin{cases}a_1=first\ term\\a_n=r\times a_{n-1}\end{cases}\)

Agohofidov6
2022-01-04
Answered

\(\displaystyle{8},{20},{36},{56}\)

tearstreakdl
2021-12-27