Difference between revisions of "Multiplication"
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| − | In [[mathematics]], '''multiplication''' is a [[binary operation]] between two [[element]]s in a [[set]], in a broad sense. Depending on what set of [[element]]s are interacting, there are many types of multiplications with different properties. The multiplication sign is represented by (<math>\times</math>) or <math>(\cdot)</math>. Multiplication is the inverse of division. | + | In [[mathematics]], '''multiplication''' is a [[binary operation]] between two [[element]]s in a [[set]], in a broad sense. Depending on what set of [[element]]s are interacting, there are many types of multiplications with different properties. The multiplication sign is represented by (<math>\times</math>) or <math>(\cdot)</math>. The <math>\cdot</math> symbol is usually preferred because of confusion between <math>\times</math> and a variable <math>x</math>. Multiplication is the inverse of division. |
| − | Multiplication is achieved by adding a number to itself as many times as the second number has value. For example, <math>4\times4 | + | Multiplication is achieved by adding a number to itself as many times as the second number has value. For example, <math>4\times4 = 4+4+4+4 = 16</math>. This is called repeated addition. |
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| + | The term for repeated multiplication is exponentiation. | ||
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== Types of Multiplication == | == Types of Multiplication == | ||
| − | * Multiplication of [[real numbers]] over any [[equivalence relation] | + | * Multiplication of [[real numbers]] over any [[equivalence relation]] |
* [[Matrix multiplication]] | * [[Matrix multiplication]] | ||
* [[Composition]] of functions | * [[Composition]] of functions | ||
Latest revision as of 11:14, 15 February 2025
In mathematics, multiplication is a binary operation between two elements in a set, in a broad sense. Depending on what set of elements are interacting, there are many types of multiplications with different properties. The multiplication sign is represented by (
) or 
. The 
symbol is usually preferred because of confusion between and a variable 
. Multiplication is the inverse of division.
Multiplication is achieved by adding a number to itself as many times as the second number has value. For example, 
. This is called repeated addition.
The term for repeated multiplication is exponentiation.
Types of Multiplication
- Multiplication of real numbers over any equivalence relation
- Matrix multiplication
- Composition of functions
See Also
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