# How to Find the Multiplicative Inverse of a Rational Number?

Any number's multiplicative inverse is concerned with finding the value of only one number, which is the number one. A number's multiplicative inverse, also known as a reciprocal, is a value that w...
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http://www.ehow.com/how_8332699_multiplicative-inverse-rational-number.html

## How to Inverse a 3X3 Matrix?

An article that explains the difficult task of finding the inverse of an 3x3 matrix in a simple manner. This has several uses, including solving various matrix equations.

http://www.wikihow.com/Inverse-a-3X3-Matrix

## How to Check the Inverse?

When learning any subject, it is important to check your work. Usually this consists of double-checking your answers carefully to make sure they are correct. Unlike many subjects, however, math act...
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http://www.ehow.com/how_8519030_check-inverse.html

## Inverse ETF Risks?

A financial services company called ProShares created inverse ETFs in 2006 for investors who believe the stock market in general or at least a particular segment of the stock market is headed for l...
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http://www.ehow.com/list_6806837_inverse-etf-risks.html

## How to Do an Inverse Function on a TI89?

Solving inverse functions is a technique taught in high school algebra. You can use the TI-89's solver function with symbolic manipulation to help you solve inverse functions. A graphed inverse fun...
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http://www.ehow.com/how_8387552_do-inverse-function-ti89.html