Question

Deriving the frequency of a rubber band

score 377 · Answer 1 · 2026-04-17 03:53:20

377

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Deriving the frequency of a rubber band

Published on 17 Apr 2026 - 3:53

score 1.3k · Answer 2 · 2026-04-13 04:36:05

1.3k

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Why does x raised to an odd power result in a unique solution?

Published on 13 Apr 2026 - 4:36

score 75 · Answer 3 · 2026-04-15 12:23:47

75

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Finding minimum of $\max(\arg(a),\arg(b),\arg(c))$ in complex number

Published on 15 Apr 2026 - 12:23

score 30 · Answer 4 · 2026-04-13 09:33:02

30

Views

The order of $\sum_{n \in \mathbb{Z}} (|n - T| + 1)^{- 1} (|n| + 1)^{-1}$ as $T \to \infty$?

Published on 13 Apr 2026 - 9:33

score 89 · Answer 5 · 2026-04-15 12:40:56

89

Views

let $f:\mathbb{R} \to \mathbb{R}$ be differentiable function

Published on 15 Apr 2026 - 12:40

score 127 · Answer 6 · 2026-04-14 15:13:16

127

Views

Am I using the the sigma / derivative operator correct?

Published on 14 Apr 2026 - 15:13

score 213 · Answer 7 · 2026-04-15 18:55:05

213

Views

If the derivative exists when $x$ approaches a point, is $f$ differentiable at that point?

Published on 15 Apr 2026 - 18:55

score 161 · Answer 8 · 2026-04-14 06:13:44

161

Views

How to prove that $ \Bigg(\sum^{n}\limits_{k=1}\sqrt{\frac{k-\sqrt{k^{2}-1}}{\sqrt{k(k+1)}}}\Bigg)^{2} \le n\sqrt{\frac{n}{n+1}}$ for $n\ge1$

Published on 14 Apr 2026 - 6:13

score 322 · Answer 9 · 2026-04-13 03:14:05

322

Views

Using the first fundamental theorem of calculus vs the second

Published on 13 Apr 2026 - 3:14

score 101 · Answer 10 · 2026-04-13 01:16:49

101

Views

Is the following function differentiable at $x=0$?

Published on 13 Apr 2026 - 1:16

score 464 · Answer 11 · 2026-04-13 19:55:46

464

Views

One-sided limit in relation to a floor-function

Published on 13 Apr 2026 - 19:55

score 1k · Answer 12 · 2026-04-17 03:43:00

1k

Views

Prove ln(1+1/x)-(x+1)^-1 is always positive [solved]

Published on 17 Apr 2026 - 3:43

score 65 · Answer 13 · 2026-04-15 17:33:03

65

Views

$\lim_{x\to0} \frac{(1+x)^a-1}{x} $

Published on 15 Apr 2026 - 17:33

score 112 · Answer 14 · 2026-04-12 14:56:52

112

Views

On a new definition of fractional derivative

Published on 12 Apr 2026 - 14:56

score 66 · Answer 15 · 2026-04-11 13:05:50

66

Views

simplifying integral equation.

Published on 11 Apr 2026 - 13:05

List Question

Deriving the frequency of a rubber band

Why does x raised to an odd power result in a unique solution?

Finding minimum of $\max(\arg(a),\arg(b),\arg(c))$ in complex number

The order of $\sum_{n \in \mathbb{Z}} (|n - T| + 1)^{- 1} (|n| + 1)^{-1}$ as $T \to \infty$?

let $f:\mathbb{R} \to \mathbb{R}$ be differentiable function

Am I using the the sigma / derivative operator correct?

If the derivative exists when $x$ approaches a point, is $f$ differentiable at that point?

How to prove that $ \Bigg(\sum^{n}\limits_{k=1}\sqrt{\frac{k-\sqrt{k^{2}-1}}{\sqrt{k(k+1)}}}\Bigg)^{2} \le n\sqrt{\frac{n}{n+1}}$ for $n\ge1$

Using the first fundamental theorem of calculus vs the second

Is the following function differentiable at $x=0$?

One-sided limit in relation to a floor-function

Prove ln(1+1/x)-(x+1)^-1 is always positive [solved]

$\lim_{x\to0} \frac{(1+x)^a-1}{x} $

On a new definition of fractional derivative

simplifying integral equation.

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