Question

how to find multiplicative inverse

Answer 1

multiplicative inverse is whatever makes a number into one, like multiplicative inverse of x is x/1.

Answer 2

Lets say you had to find a multiplicative inverse of 4.
you can say \[4~\times ~ a~=1\]\[a=1/4~~~~or~~~~~~.25\]

Answer 3

you put it over one basically.

Answer 4

*multiplicative inverse of x is 1/x.