Question

How do you get rid of the "i" in 1i, what about 13i?

Answer 1

Who put the i in it?
i^2=-1

Answer 2

\[1i=\sqrt{-1}\]
\[13i=13\sqrt{-1}\]

Answer 3

you can use that radical sign..

Answer 4

multply it by itself...? like 1i x 1i = i^2 = -1 like what chaguanas said...

Answer 5

that could be..
you have many choices to get rid of i.