File:Five_Squared.svg · Wikimedia Commons · See Wikimedia Commons
Also known as ², n^2, ^2
result of multiplying a number, or other expression, by itself
A square is the result you get when you multiply a number by itself, such as 3 × 3 = 9. Squares are important in mathematics because they appear frequently in geometry, algebra, and many real-world calculations involving area and distance.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Instance of
- single-variable quadratic function
- Subclass of
- number
- Followed by
- cube
- Image
- Five Squared.svg
- Said to be same as
- square function
Show 4 more facts
- Commons category
- Square (geometry)
- different from
- single-variable quadratic function
- has cause
- exponentiation
- maintained by WikiProject
- WikiProject Mathematics
Sources (3)
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Article · 中文
代数中，一个数的平方是此数与它的本身相乘所得的乘积，一个元素的平方是此元素与它的本身相乘所得的乘积，记作x2。平方也可視為求指數为2的幂的值。若x是正实数，这个乘积相当于一个边长为x的正方形的面积；如果x为虚数，则这个乘积为负数。如果x为非虛數的复数，则这个乘积也是复数。 如果实数y = x2，就说y是x的平方；如果同時x是非负数，那么x就是y的平方根。如果一个整数 是某个整数的平方，则称 为一个完全平方数或平方数。有理数的平方一定是有理数，无理数的平方可以是有理数，也可以是无理数。
Abstract from DBpedia / Wikipedia · CC BY-SA
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