Question

Having problem proving a statement

score 37 · Answer 1 · 2018-07-03 01:08:51

37

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Having problem proving a statement

Published on 03 Jul 2018 - 1:08

score 198 · Answer 2 · 2026-03-25 09:29:20

198

Views

$\frac{x^5}{5!}- \frac{x^7}{7!}+ \frac{x^9}{9!}+\dots>0$ holds for $x>0$

Published on 25 Mar 2026 - 9:29

score 58 · Answer 3 · 2026-03-25 06:01:53

58

Views

Question about Inequalities/Ratios at the Middle School Level

Published on 25 Mar 2026 - 6:01

score 278 · Answer 4 · 2026-03-25 20:35:01

278

Views

How to find the integration limits of a simple unit step function convolved with itself

Published on 25 Mar 2026 - 20:35

score 92 · Answer 5 · 2026-04-03 15:53:52

92

Views

Find a minimum and a maximum of expression $E(x,y,z)=x-2y+z$

Published on 03 Apr 2026 - 15:53

score 51 · Answer 6 · 2018-07-04 00:05:59

51

Views

An inequality involving n-th real root of real numbers

Published on 04 Jul 2018 - 0:05

score 89 · Answer 7 · 2026-03-26 01:12:39

89

Views

Showing that $x+y+z \le 2\left(\frac {x^2}{y+z}+ \frac {y^2}{x+z}+ \frac {z^2}{x+y}\right)$ for positive $x, y, z$?

Published on 26 Mar 2026 - 1:12

score 177 · Answer 8 · 2026-03-25 14:22:07

177

Views

Show that $|1-z| \leq |z|+1$

Published on 25 Mar 2026 - 14:22

score 44 · Answer 9 · 2026-03-25 17:53:08

44

Views

What is the value of $x$ when $a b^x$ > $ c d^x$

Published on 25 Mar 2026 - 17:53

score 1.3k · Answer 10 · 2018-07-04 20:20:05

1.3k

Views

If x, y, and z are positive numbers such that $3x < 2y < 4z$, which of the following statements could be true?

Published on 04 Jul 2018 - 20:20

score 110 · Answer 11 · 2018-07-04 20:52:56

110

Views

prove inequality for every non zero real-number

Published on 04 Jul 2018 - 20:52

score 400 · Answer 12 · 2026-03-31 08:45:32

400

Views

Inequality for the trace of two positive definite matrices

Published on 31 Mar 2026 - 8:45

score 25 · Answer 13 · 2018-07-04 22:06:01

25

Views

How to go from [log$f(a)$]' $\le \frac{n}{2a}$ to $f(a) \le a^{n/2}f(1)$, for $a \ge 1$.

Published on 04 Jul 2018 - 22:06

score 739 · Answer 14 · 2026-03-26 22:13:39

739

Views

Minimum $e$ where $a,b,c,d,e$ are reals such that $a+b+c+d+e=8$ and $a^2+b^2+c^2+d^2+e^2=16$

Published on 26 Mar 2026 - 22:13

score 73 · Answer 15 · 2026-03-26 11:16:16

73

Views

Satisfiability of inequality array with binary and arithmetic operators

Published on 26 Mar 2026 - 11:16

List Question

Having problem proving a statement

$\frac{x^5}{5!}- \frac{x^7}{7!}+ \frac{x^9}{9!}+\dots>0$ holds for $x>0$

Question about Inequalities/Ratios at the Middle School Level

How to find the integration limits of a simple unit step function convolved with itself

Find a minimum and a maximum of expression $E(x,y,z)=x-2y+z$

An inequality involving n-th real root of real numbers

Showing that $x+y+z \le 2\left(\frac {x^2}{y+z}+ \frac {y^2}{x+z}+ \frac {z^2}{x+y}\right)$ for positive $x, y, z$?

Show that $|1-z| \leq |z|+1$

What is the value of $x$ when $a b^x$ > $ c d^x$

If x, y, and z are positive numbers such that $3x < 2y < 4z$, which of the following statements could be true?

prove inequality for every non zero real-number

Inequality for the trace of two positive definite matrices

How to go from [log$f(a)$]' $\le \frac{n}{2a}$ to $f(a) \le a^{n/2}f(1)$, for $a \ge 1$.

Minimum $e$ where $a,b,c,d,e$ are reals such that $a+b+c+d+e=8$ and $a^2+b^2+c^2+d^2+e^2=16$

Satisfiability of inequality array with binary and arithmetic operators

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