Answer :

9ca5r82

Answer:

i is an imaginary number because i = [tex]\sqrt{-1}[/tex] and you can never take a square root of a negative number.  Because i is equal to [tex]\sqrt{-1}[/tex] when you square it it just removes the square root sign and gives you -1

Step-by-step explanation:

jesscal777

Step-by-step explanation:

think of it as this: i is an imaginary number, so a negative in a square root will be negative. so if you take away the squareroot, it leave you with -1. a square root is ^2 so i^2 is practically the same as a square root.

If someone can explain better, please do

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