Question

Is there a function that never vanishes, and can never reach infinity?

score 110 · Answer 1 · 2026-04-15 14:09:38

110

Views

Is there a function that never vanishes, and can never reach infinity?

Published on 15 Apr 2026 - 14:09

score 583 · Answer 2 · 2026-04-15 14:05:08

583

Views

Sum of series $n\cdot\sin x^n$

Published on 15 Apr 2026 - 14:05

score 418 · Answer 3 · 2026-04-20 10:46:22

418

Views

Area in first quadrant bounded by curves

Published on 20 Apr 2026 - 10:46

score 157 · Answer 4 · 2026-04-18 16:59:18

157

Views

integral of the Bessel function involving power and exponential functions and Airy function

Published on 18 Apr 2026 - 16:59

score 953 · Answer 5 · 2026-04-16 14:26:32

953

Views

Taylor's theorem implies existence of n+1 order derivative?

Published on 16 Apr 2026 - 14:26

score 121 · Answer 6 · 2026-04-14 18:40:33

121

Views

How to solve $\lim_{t \to 0}\frac{\frac{1}{|a+th|}(a+th) - \frac{1}{|a|}a}{t}$

Published on 14 Apr 2026 - 18:40

score 238 · Answer 7 · 2026-04-15 15:07:02

238

Views

Supremum of family of functions in $L^1(\mu)$ is in $L^1(\mu)$

Published on 15 Apr 2026 - 15:07

score 133 · Answer 8 · 2026-04-16 10:27:17

133

Views

How to express $\partial_t^2 f(x,y)$ in partial derivatives $f_1, f_2, f_{11}, f_{12}, f_{22}$ when $x = s-2t$ and $y = s^2+t^2$?

Published on 16 Apr 2026 - 10:27

score 647 · Answer 9 · 2026-04-11 14:54:48

647

Views

Let the bisection method be applied to a continuous function, resulting in intervals $[a_0, b_0], [a_1, b_1],$ and so on. Let

Published on 11 Apr 2026 - 14:54

score 184 · Answer 10 · 2026-04-17 03:18:02

184

Views

If $f: \mathbb{R}^n \rightarrow \mathbb{R}$ such that $\alpha \|x-y\| \leq \|f(x)-f(y)\|$ then $f(\mathbb R^n)$ is closed.

Published on 17 Apr 2026 - 3:18

score 248 · Answer 11 · 2026-04-16 14:49:18

248

Views

Let $F:\mathbb{R}^2\to \mathbb{R}$ be of class $C^2$, with $F(0, 0) = 0$ and $DF(0, 0) =\begin{bmatrix}2 & 3\end{bmatrix}$.

Published on 16 Apr 2026 - 14:49

score 37 · Answer 12 · 2026-04-13 18:06:19

37

Views

Evaluating Sigma Notations

Published on 13 Apr 2026 - 18:06

score 88 · Answer 13 · 2026-04-14 07:47:43

88

Views

Sum of series $\frac{x^{3n}}{(n+1)}$

Published on 14 Apr 2026 - 7:47

score 111 · Answer 14 · 2026-04-12 11:40:53

111

Views

Value of $k$ such that $f(x) = kx$ has solutions

Published on 12 Apr 2026 - 11:40

score 59 · Answer 15 · 2026-04-13 04:12:15

59

Views

How would we find the following limit?

Published on 13 Apr 2026 - 4:12

List Question

Is there a function that never vanishes, and can never reach infinity?

Sum of series $n\cdot\sin x^n$

Area in first quadrant bounded by curves

integral of the Bessel function involving power and exponential functions and Airy function

Taylor's theorem implies existence of n+1 order derivative?

How to solve $\lim_{t \to 0}\frac{\frac{1}{|a+th|}(a+th) - \frac{1}{|a|}a}{t}$

Supremum of family of functions in $L^1(\mu)$ is in $L^1(\mu)$

How to express $\partial_t^2 f(x,y)$ in partial derivatives $f_1, f_2, f_{11}, f_{12}, f_{22}$ when $x = s-2t$ and $y = s^2+t^2$?

Let the bisection method be applied to a continuous function, resulting in intervals $[a_0, b_0], [a_1, b_1],$ and so on. Let

If $f: \mathbb{R}^n \rightarrow \mathbb{R}$ such that $\alpha \|x-y\| \leq \|f(x)-f(y)\|$ then $f(\mathbb R^n)$ is closed.

Let $F:\mathbb{R}^2\to \mathbb{R}$ be of class $C^2$, with $F(0, 0) = 0$ and $DF(0, 0) =\begin{bmatrix}2 & 3\end{bmatrix}$.

Evaluating Sigma Notations

Sum of series $\frac{x^{3n}}{(n+1)}$

Value of $k$ such that $f(x) = kx$ has solutions

How would we find the following limit?

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