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Posted by **Alice** on Tuesday, October 11, 2011 at 1:43pm.

WHAT in the world are additive and multiplicative inverses???

:(

- Math -
**Steve**, Tuesday, October 11, 2011 at 3:24pmif A is a number, its additive inverse is B such that A + B = 0

A's multiplicative inverse is B such that A * B = 1

All real numbers have exactly one additive inverse.

All real numbers except 0 have exactly one multiplicative inverse.

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