Question

Which positive real number x has the property that x, floor of x and x - floor of x form a geometric progression

score 1.9k · Answer 1 · 2026-04-15 18:20:31

1.9k

Views

Which positive real number x has the property that x, floor of x and x - floor of x form a geometric progression

Published on 15 Apr 2026 - 18:20

score 104 · Answer 2 · 2026-05-10 15:11:01

104

Views

Optimizing a weight algorithm

Published on 10 May 2026 - 15:11

score 4.3k · Answer 3 · 2026-04-09 13:08:29

4.3k

Views

Is $1111111111111111111111111111111111111111111111111111111$ ($55$ $1$'s) a composite number?

Published on 09 Apr 2026 - 13:08

score 50 · Answer 4 · 2026-04-14 16:51:58

50

Views

I have an inequality which is giving me the correct answer, except that the sign is opposite to what it should be, any help?

Published on 14 Apr 2026 - 16:51

score 44 · Answer 5 · 2026-03-25 11:03:15

44

Views

How do I prove this relationship between positive terms of a G.P.?

Published on 25 Mar 2026 - 11:03

score 683 · Answer 6 · 2026-04-14 21:14:27

683

Views

What is the maximum value of $\frac{x^{100}}{1+x+x^2+\ldots+x^{200}}$?

Published on 14 Apr 2026 - 21:14

score 235 · Answer 7 · 2026-04-30 15:34:11

235

Views

Rational as series?

Published on 30 Apr 2026 - 15:34

score 79 · Answer 8 · 2026-04-10 09:31:22

79

Views

Proof for a prime number equation

Published on 10 Apr 2026 - 9:31

score 49 · Answer 9 · 2026-04-14 15:00:29

49

Views

Looking for the Closed Form of a Two-Variable Geometric Sum

Published on 14 Apr 2026 - 15:00

score 3.3k · Answer 10 · 2026-04-16 05:39:55

3.3k

Views

Two players alternate flipping a coin until the result is head. How to derive that the probability for the first player to win is $2/3$?

Published on 16 Apr 2026 - 5:39

score 61 · Answer 11 · 2026-04-13 02:04:33

61

Views

Incorrect derivation of geometric series

Published on 13 Apr 2026 - 2:04

score 30 · Answer 12 · 2026-04-15 00:40:26

30

Views

Solve geometric series equation with large terms

Published on 15 Apr 2026 - 0:40

score 52 · Answer 13 · 2026-04-12 06:17:09

52

Views

Compute the Sum of geometric series

Published on 12 Apr 2026 - 6:17

score 97 · Answer 14 · 2026-04-13 01:23:12

97

Views

Formula for this diminishing function

Published on 13 Apr 2026 - 1:23

score 1.3k · Answer 15 · 2026-04-11 06:51:19

1.3k

Views

Non constant geometric sequence problem?

Published on 11 Apr 2026 - 6:51

List Question

Which positive real number x has the property that x, floor of x and x - floor of x form a geometric progression

Optimizing a weight algorithm

Is $1111111111111111111111111111111111111111111111111111111$ ($55$ $1$'s) a composite number?

I have an inequality which is giving me the correct answer, except that the sign is opposite to what it should be, any help?

How do I prove this relationship between positive terms of a G.P.?

What is the maximum value of $\frac{x^{100}}{1+x+x^2+\ldots+x^{200}}$?

Rational as series?

Proof for a prime number equation

Looking for the Closed Form of a Two-Variable Geometric Sum

Two players alternate flipping a coin until the result is head. How to derive that the probability for the first player to win is $2/3$?

Incorrect derivation of geometric series

Solve geometric series equation with large terms

Compute the Sum of geometric series

Formula for this diminishing function

Non constant geometric sequence problem?

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