Question

Find the product of 4i and 6i.

Answer 1

\[4\times 6=24\\
i\times i=-1\]

Answer 2

-24

Answer 3

\[i \times i = i ^{2}\]
\[i ^{2} \]

Answer 4

i^2=-1
-1*24=-24

Answer 5

\[i \times i = i ^{2}\]
\[i ^{2} = -1\]

Answer 6

now multiply