what do mean by additive inverse

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Posted by Poonam Malhotra 5 years, 5 months ago
- 3 answers
Meghna Thapar 5 years, 5 months ago
In mathematics, the additive inverse of a number a is the number that, when added to a, yields zero. ... For a real number, it reverses its sign: the opposite to a positive number is negative, and the opposite to a negative number is positive. Zero is the additive inverse of itself. Loosely speaking, an additive inverse of a field element a is an element b such that a+b=b+a=0. It turns out that only one additive inverse exists for each element. For example, over the rational numbers, the additive inverse of 25 is −25 and the additive inverse of −5 is 5.
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Saswat Biswal 5 years, 5 months ago
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