Question

Find the number of GPs having $5, 9, 11$ as its three terms

score 167 · Answer 1 · 2016-02-18 09:40:43

167

Views

Find the number of GPs having $5, 9, 11$ as its three terms

Published on 18 Feb 2016 - 9:40

score 2.5k · Answer 2 · 2026-03-18 23:56:23

2.5k

Views

If $x$, $\{x\}$, $\lfloor x\rfloor$ are in G.P, find $x$.

Published on 18 Mar 2026 - 23:56

score 395 · Answer 3 · 2016-03-18 16:39:34

395

Views

How to prove with double counting technique that $1+2+\dots+2^n=2^{n+1} -1$?

Published on 18 Mar 2016 - 16:39

score 42 · Answer 4 · 2016-03-24 02:39:07

42

Views

How can solve this problem of geometric-progression?

Published on 24 Mar 2016 - 2:39

score 167 · Answer 5 · 2016-03-25 05:18:13

167

Views

Can you prove that $\frac{1}{n}+\frac{1}{n^2}+\frac{1}{n^3}.... = \frac{1}{n-1}$?

Published on 25 Mar 2016 - 5:18

score 105 · Answer 6 · 2016-03-30 04:12:16

105

Views

Find the sum of the series $((1+p)/(1-p))^k$

Published on 30 Mar 2016 - 4:12

score 65 · Answer 7 · 2016-04-06 09:38:53

65

Views

I'm having trouble getting the number of terms for the sum of this geometric progression.

Published on 06 Apr 2016 - 9:38

score 64 · Answer 8 · 2016-04-06 11:10:59

64

Views

I'm not getting the correct sum for this geometric progression word problem.

Published on 06 Apr 2016 - 11:10

score 15.8k · Answer 9 · 2016-04-17 17:35:18

15.8k

Views

A sequence of four numbers such that the first three are in G.P. and the last three are in A.P. What is wrong in my solution?

Published on 17 Apr 2016 - 17:35

score 1.4k · Answer 10 · 2016-04-21 20:39:04

1.4k

Views

Finding the sum of series $\sum_{n=0}^∞ \frac{2^n + 3^n}{6^n}$

Published on 21 Apr 2016 - 20:39

score 454 · Answer 11 · 2016-04-30 17:22:36

454

Views

Geometric, Arithmetic Progression

Published on 30 Apr 2016 - 17:22

score 56 · Answer 12 · 2016-05-02 20:43:01

56

Views

Induction to prove that for any $r \in \mathbb{R}$ such tht $r \notin (0,1)$ $\sum_{i=1}^n r^i-1 = \frac{(1-r^n)}{1-r}$ for all $n \in \mathbb{N}$.

Published on 02 May 2016 - 20:43

score 815 · Answer 13 · 2016-05-05 01:03:43

815

Views

Geometric progression question. Year less?

Published on 05 May 2016 - 1:03

score 108 · Answer 14 · 2016-05-05 05:47:57

108

Views

Can question have multiple interpretations?

Published on 05 May 2016 - 5:47

score 226 · Answer 15 · 2016-06-01 13:49:53

226

Views

Summation of a series with 2 different methods gives 2 different answers

Published on 01 Jun 2016 - 13:49

List Question

Find the number of GPs having $5, 9, 11$ as its three terms

If $x$, $\{x\}$, $\lfloor x\rfloor$ are in G.P, find $x$.

How to prove with double counting technique that $1+2+\dots+2^n=2^{n+1} -1$?

How can solve this problem of geometric-progression?

Can you prove that $\frac{1}{n}+\frac{1}{n^2}+\frac{1}{n^3}.... = \frac{1}{n-1}$?

Find the sum of the series $((1+p)/(1-p))^k$

I'm having trouble getting the number of terms for the sum of this geometric progression.

I'm not getting the correct sum for this geometric progression word problem.

A sequence of four numbers such that the first three are in G.P. and the last three are in A.P. What is wrong in my solution?

Finding the sum of series $\sum_{n=0}^∞ \frac{2^n + 3^n}{6^n}$

Geometric, Arithmetic Progression

Induction to prove that for any $r \in \mathbb{R}$ such tht $r \notin (0,1)$ $\sum_{i=1}^n r^i-1 = \frac{(1-r^n)}{1-r}$ for all $n \in \mathbb{N}$.

Geometric progression question. Year less?

Can question have multiple interpretations?

Summation of a series with 2 different methods gives 2 different answers

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