Question

Can someone explain to me what a real number is exactly?

Answer 1

Is
2i2√
a real number? What about
3√

Answer 2

A real number is not an imaginary number, if it contains an i, it's not real.

Answer 3

\[2i \sqrt{2} and
\sqrt{3}\]

Answer 4

so 2i sqrt 3 is not a real number

Answer 5

but sqrt 3 is

Answer 6

https://www.google.com/#safe=strict&q=example+of+real+number

Answer 7

Yup

Answer 8

Thank you so much