Question

what is meant by additive inverse

Answer 1



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: theopposite to a positive number is negative, and the opposite to a negative number is positive. Zero is the additive inverse of itself.

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Answer 2

multiplicative inverse :-)
In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/x or x−1, is a number which when multiplied by x yields the multiplicative identity, 1. The multiplicative inverse of a fraction a/b is b/a. For the multiplicative inverse of a real number, divide 1 by the number. 
for eg.-
5/3×3/5
=5×5 and 3×3
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