# What is the multiplicative inverse of #- \frac{z^3}{2xy^2}#?

##### 1 Answer

Jan 21, 2015

The muplticative inverse of a number

So, in case of integer numbers

In the case of fractions, instead, the multiplicative inverse of a fraction is still a fraction, and it's simply a fraction with the same positivity of the original one, and with numerator and denominator flipped over: the multiplicative inverse of