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Questions Tagged with "alternative proof" (Page 2)

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Given four real numbers $a,b,c,d$ so that $1leq aleq bleq cleq dleq 3$. Prove that $a^2+b^2+c^2+d^2leq ab+ac+ad+bc+bd+cd.$

1 answer

Mathematics Asked 3 years ago by user818748

Show that the solution of the equation $x^5-2x^3-3=0$ are all less than 2 (using proof by contradiction).

1 answer

Mathematics Asked 4 years ago by Mardia

Should you throw your crosses, jabs, uppercuts and hooks while tucking in your chin or cheek at the shoulder?

1 answer

Martial Arts Asked 3 years ago

How do mixed martial artists select their stance lead foot?

1 answer

Martial Arts Asked 3 years ago

Why Do Pressure Points Work Differently Against Different People?

6 answer

Martial Arts Asked 3 years ago by David H. Clements

What does it take to get a black belt in Taekwondo?

11 answer

Martial Arts Asked 3 years ago by vhadalgi

Gloves for longsword sparring

3 answer

Martial Arts Asked 3 years ago by kifli

Getting more comfortable sitting in 正座 (seiza)

6 answer

Martial Arts Asked 3 years ago

What are the physical requirements for Sumo wrestlers? No exposing six-packs?

2 answer

Martial Arts Asked 3 years ago by Stupid Is As Stupid Does

Defending legs with a sword

4 answer

Martial Arts Asked 3 years ago

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