Question

The multiplication inverse of $\frac{1}{a}$, where $a\ne 0$ is

• A. $a$
• B. $-a$
• C. $\frac{-1}{a}$
• D. $1$

Answer 1

The correct option is A $a$

We can get the multiplicative inverse of any number just by interchanging the numerator and denominator.
$\therefore$ Multiplicative inverse of $\frac{1}{a}=a$.