Submission declined on 20 August 2023 by KylieTastic (talk).
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Cardinal | -2, negative two, minus two | |||
Ordinal | -2nd | |||
Arabic | -٢ | |||
Chinese numeral | 負二, 負貳, 負贰, 負弍 | |||
Bengali | -২ |
In mathematics, -2 (negative two or minus two) is the additive inverse of 2. It is the negative integer greater than (-3) and less than (-1).[1]
Exponentiation of -2
editExponentiation of a non-zero real number with negative two can be defined as taking the reciprocal of the square of that number. Therefore the definition can be made that . This definition can be extended to negative numbers.[2]
See also
editReferences
edit- ^ "Types of numbers | Assessment Resource Banks". arbs.nzcer.org.nz. Retrieved 2023-08-20.
- ^ "Power[x,-2] - Wolfram|Alpha". www.wolframalpha.com. Retrieved 2023-08-20.
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