Question

Prove that $\neg \exists x$ such that $ \lvert x-1\rvert+\lvert x+1 \rvert <1$

score 156 · Answer 1 · 2026-04-16 20:51:45

156

Views

Prove that $\neg \exists x$ such that $ \lvert x-1\rvert+\lvert x+1 \rvert <1$

Published on 16 Apr 2026 - 20:51

score 52 · Answer 2 · 2026-04-10 18:47:37

52

Views

Upper bounds for two events of random variable following Poisson distribution

Published on 10 Apr 2026 - 18:47

score 139 · Answer 3 · 2026-04-15 10:42:17

139

Views

How to elegantly find the remainder of $en$ divided by $n+1+\frac{n-1}{d}$

Published on 15 Apr 2026 - 10:42

score 68 · Answer 4 · 2026-03-25 06:30:47

68

Views

Prove, that for every real numbers $ x \ge y \ge z > 0 $, and $x+y+z=\frac{9}{2}, xyz=1$, the following inequality takes place

Published on 25 Mar 2026 - 6:30

score 142 · Answer 5 · 2026-04-14 07:12:04

142

Views

When do matrices respect inequalities?

Published on 14 Apr 2026 - 7:12

score 271 · Answer 6 · 2026-04-16 04:48:18

271

Views

For $P$ an arbitrary point in $\triangle ABC$, show that $\sum_{cyc}c(\sin \angle CAP+\sin\angle CBP)\leq a+b+c$

Published on 16 Apr 2026 - 4:48

score 45 · Answer 7 · 2026-04-17 11:58:42

45

Views

prove the inequality using inequalities like AM GM HM OR CAUCHY or WEIRSTRASS ETC.

Published on 17 Apr 2026 - 11:58

score 54 · Answer 8 · 2026-04-15 02:48:41

54

Views

prove the following inequality using am gm hm or weirstrass etc

Published on 15 Apr 2026 - 2:48

score 51 · Answer 9 · 2026-04-13 23:53:09

51

Views

Simple quadratic inequality

Published on 13 Apr 2026 - 23:53

score 555 · Answer 10 · 2026-04-14 18:42:51

555

Views

Show that for non-negative measurable functions $f,g$ with $fg \geq 1$ the inequality $(\int f^p)(\int g^p) \geq 1$ holds.

Published on 14 Apr 2026 - 18:42

score 536 · Answer 11 · 2026-04-16 04:50:07

536

Views

Proving an inequality without an integral: $\frac {1}{x+1}\leq \ln (1+x)- \ln (x) \leq \frac {1}{x}$

Published on 16 Apr 2026 - 4:50

score 124 · Answer 12 · 2026-03-25 12:21:26

124

Views

Matrices Inequality Proof

Published on 25 Mar 2026 - 12:21

score 118 · Answer 13 · 2026-04-15 22:27:40

118

Views

Supremum of $a^{ab}+b^{bc}+c^{cd}+d^{da}$ with $a+b+c+d=4$

Published on 15 Apr 2026 - 22:27

score 127 · Answer 14 · 2026-04-15 08:46:08

127

Views

Prove the inequality $\sum x+6\ge 2(\sum\sqrt{xy}) $

Published on 15 Apr 2026 - 8:46

score 34 · Answer 15 · 2026-04-13 11:31:03

34

Views

A simple problem related to inequality.

Published on 13 Apr 2026 - 11:31

List Question

Prove that $\neg \exists x$ such that $ \lvert x-1\rvert+\lvert x+1 \rvert <1$

Upper bounds for two events of random variable following Poisson distribution

How to elegantly find the remainder of $en$ divided by $n+1+\frac{n-1}{d}$

Prove, that for every real numbers $ x \ge y \ge z > 0 $, and $x+y+z=\frac{9}{2}, xyz=1$, the following inequality takes place

When do matrices respect inequalities?

For $P$ an arbitrary point in $\triangle ABC$, show that $\sum_{cyc}c(\sin \angle CAP+\sin\angle CBP)\leq a+b+c$

prove the inequality using inequalities like AM GM HM OR CAUCHY or WEIRSTRASS ETC.

prove the following inequality using am gm hm or weirstrass etc

Simple quadratic inequality

Show that for non-negative measurable functions $f,g$ with $fg \geq 1$ the inequality $(\int f^p)(\int g^p) \geq 1$ holds.

Proving an inequality without an integral: $\frac {1}{x+1}\leq \ln (1+x)- \ln (x) \leq \frac {1}{x}$

Matrices Inequality Proof

Supremum of $a^{ab}+b^{bc}+c^{cd}+d^{da}$ with $a+b+c+d=4$

Prove the inequality $\sum x+6\ge 2(\sum\sqrt{xy}) $

A simple problem related to inequality.

Trending Questions

Popular # Hahtags

Popular Questions