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I think it's to do with logs to the base "e" in the exponential system. ex is the exponential of x. Call it y: y= ex , then x=log(y) and you might (though I've never heard it) say x is the inverse exponent of y. And remember, with logs, you add them (the x's) to multiply the y's. It sounds pretty pompous and deliberately baffling to me if that is the case. Equally you might say additive inverse is equivalent to subtraction, though better might be inverse addition is equivalent to subtraction. Equally pompous and confusing.
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What is the inverse for numbers under addition?
A number and its additive inverse add up to zero. If a number has no sign, add a "-" in front of it to get its additive inverse. The additive inverse of 5 is -5. The additive inverse of x is -x. If a number has a minus sign, take it away to get its additive inverse. The additive inverse of -10 is 10. The additive inverse of -y is y.
What is the additive inverse of the additive inverse of 45?
-45
What is the additive inverse of 18?
The additive inverse is the sum of two numbers that will equal zero. The additive inverse of -18 is 18.
What is the additive inverse of 41?
The additive inverse of 41 is -41. An additive inverse is the number that will make the sum equal zero.
What is the sum of a fractional number and its additive inverse?
0. By the definition of "additive inverse", the sum of ANY number and its additive inverse must be 0.
