What is the multiplicative inverse of a-1/a.

My teacher explained me.. but i can't get it...

I saw that the answer is a/a^2-1.

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- Oct 22nd 2012, 04:48 AMkohilaMultiplicative inverse.
**What is the multiplicative inverse of a-1/a.**

*My teacher explained me.. but i can't get it...*

I saw that the answer is a/a^2-1.

- Oct 22nd 2012, 05:52 AMPlatoRe: Multiplicative inverse.
- Oct 22nd 2012, 06:16 AMemakarovRe: Multiplicative inverse.
And the multiplicative inverse of is indeed , which in plain text form should be written with parentheses: a / (a^2 -1). This is because the product of these two numbers equals 1.

- Oct 22nd 2012, 07:36 PMkohilaRe: Multiplicative inverse.
How they got this a/a^2-1. Please explain clearly and concisely.

- Oct 22nd 2012, 08:21 PMMarkFLRe: Multiplicative inverse.
and so

- Oct 22nd 2012, 09:53 PMkohilaRe: Multiplicative inverse.
I can't able to get it.... please explain.....

- Oct 22nd 2012, 10:04 PMMaxJasperRe: Multiplicative inverse.
Start from 2:

MI of 2 = 1/2