square root of 2
Also known as root two, root 2, square root of two, √2, sqrt 2
unique positive real number which when multiplied by itself gives 2
Key facts
- Rationality
- Irrational
- Decimal
- 1.41421 35623 73095 0488...
- Continued fraction
- 1 + 1 2 + 1 2 + 1 2 + 1 2 + ⋱ {\displaystyle 1+{\cfrac {1}{2+{\cfrac {1}{2+{\cfrac {1}{2+{\cfrac {1}{2+\ddots }}}}}}}}}
via Wikipedia infobox
Wikidata facts
- Image
- Quadrat-Wurzel-2.PNG
Sources (3)
via Wikidata · CC0
Article
The square root of 2 (approximately 1.4142) is the positive real number that, when multiplied by itself or squared, equals the number 2. It may be written as
2