Question

exchange between a random variable and a lower bound (which is such on a set of probabilty tending to 1) inside the expected value

score 39 · Answer 1 · 2019-10-03 14:53:11

39

Views

exchange between a random variable and a lower bound (which is such on a set of probabilty tending to 1) inside the expected value

Published on 03 Oct 2019 - 14:53

score 62 · Answer 2 · 2019-10-05 14:18:03

62

Views

Lower bound $\int_0^\infty e^{-t-\frac{t^2}{2\sigma^2}}dt$ by $1-\frac{1}{\sigma^2}$

Published on 05 Oct 2019 - 14:18

score 854 · Answer 3 · 2026-02-28 03:01:03

854

Views

Find the least upper bound and greatest lower bound for {$x : x^3 \ge 8 $}

Published on 28 Feb 2026 - 3:01

score 1k · Answer 4 · 2019-10-05 23:02:36

1k

Views

Find the least upper bound and greatest lower bound for { $x : \sin(x) \geq -1 $ }

Published on 05 Oct 2019 - 23:02

score 59 · Answer 5 · 2019-10-05 23:11:10

59

Views

How can I prove that a function has a certain bound on an interval?

Published on 05 Oct 2019 - 23:11

score 594 · Answer 6 · 2026-03-24 22:17:13

594

Views

Let S = {${a_1, a_2, a_3, ... a_n}$} be a finite nonempty set of real numbers a. prove bounded b. show lub and glb are elements of S

Published on 24 Mar 2026 - 22:17

score 23 · Answer 7 · 2019-10-07 15:41:46

23

Views

T is a nonempty subset of S. (a) Show that T is bounded (b) Show that glb S $\leq$ glb T $\leq$ lub T $ \leq$ lubS

Published on 07 Oct 2019 - 15:41

score 52 · Answer 8 · 2019-10-09 21:51:37

52

Views

Show that $x_0^2 = 2$ is impossible by showing $x_0^2 = 2$, then $x_0$ is not rational

Published on 09 Oct 2019 - 21:51

score 30 · Answer 9 · 2019-10-09 22:28:58

Show that $x_0^2 \lt 2$ is impossible by showing that if $x_0^2 \lt 2$, then there is a positive integer $n$ for which $(x_0 + \frac{1}{n})^2 \lt 2$

score 31 · Answer 10 · 2019-10-10 16:34:24

31

Views

Trying to estimate the elements of the coefficient vector $c$ of an $N\times N$ linear system $(A+B)c = y$

Published on 10 Oct 2019 - 16:34

score 32 · Answer 11 · 2019-10-11 16:14:36

32

Views

An integral whose upper integration limit depends on the integration variable

Published on 11 Oct 2019 - 16:14

score 340 · Answer 12 · 2019-10-14 14:28:29

340

Views

Find and prove greatest lower bound and least upper bound for set $A=\left\{\frac{4+x}{x} | x \geqslant 1\right\}$

Published on 14 Oct 2019 - 14:28

score 110 · Answer 13 · 2019-10-14 17:17:03

110

Views

How big is $ \int_{1}^x \sqrt t \left( \sqrt{\frac{\log (t+1)}{\log(t)}}+ \sqrt{\frac{\log (t)}{\log(t+1)}}-2\,\right) dt$?

Published on 14 Oct 2019 - 17:17

score 62 · Answer 14 · 2019-10-15 15:59:11

62

Views

Let $p(x)$ be a polynomial with real coefficients and leading coefficient 1

Published on 15 Oct 2019 - 15:59

score 34 · Answer 15 · 2026-03-29 05:35:21

34

Views

bound set of reals

Published on 29 Mar 2026 - 5:35

List Question

exchange between a random variable and a lower bound (which is such on a set of probabilty tending to 1) inside the expected value

Lower bound $\int_0^\infty e^{-t-\frac{t^2}{2\sigma^2}}dt$ by $1-\frac{1}{\sigma^2}$

Find the least upper bound and greatest lower bound for {$x : x^3 \ge 8 $}

Find the least upper bound and greatest lower bound for { $x : \sin(x) \geq -1 $ }

How can I prove that a function has a certain bound on an interval?

Let S = {${a_1, a_2, a_3, ... a_n}$} be a finite nonempty set of real numbers a. prove bounded b. show lub and glb are elements of S

T is a nonempty subset of S. (a) Show that T is bounded (b) Show that glb S $\leq$ glb T $\leq$ lub T $ \leq$ lubS

Show that $x_0^2 = 2$ is impossible by showing $x_0^2 = 2$, then $x_0$ is not rational

Show that $x_0^2 \lt 2$ is impossible by showing that if $x_0^2 \lt 2$, then there is a positive integer $n$ for which $(x_0 + \frac{1}{n})^2 \lt 2$

Trying to estimate the elements of the coefficient vector $c$ of an $N\times N$ linear system $(A+B)c = y$

An integral whose upper integration limit depends on the integration variable

Find and prove greatest lower bound and least upper bound for set $A=\left\{\frac{4+x}{x} | x \geqslant 1\right\}$

How big is $ \int_{1}^x \sqrt t \left( \sqrt{\frac{\log (t+1)}{\log(t)}}+ \sqrt{\frac{\log (t)}{\log(t+1)}}-2\,\right) dt$?

Let $p(x)$ be a polynomial with real coefficients and leading coefficient 1

bound set of reals

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