Square Root of Negative Numbers Explained: The 'i'! #shorts

Added: 2026-06-03

[00:00:00]But, what do you >> [laughter] >> I >> You what?

[00:00:06]>> The square root of >> It has no answer.

[00:00:09]>> I'm like, wait a minute, because if you go -3 * 3, no.

[00:00:12]>> Cuz somebody said, this has got to have an answer.

[00:00:14]>> Yeah.

[00:00:14]>> That's the same dilemma back when you couldn't count or you didn't have fractions or you couldn't go negative.

[00:00:19]>> No.

[00:00:19]>> We had to invent what the answer to that question would be.

[00:00:22]>> Square root of -9.

[00:00:23]>> The square root of 1 is >> 1.

[00:00:25]>> 1. Square root of -1, same problem. By definition, >> Okay.

[00:00:30]>> square root of -1 is I.

[00:00:36]But, what do you >> [laughter] >> I >> You what?

[00:00:44]>> [laughter] >> It's the imaginary number.