what is the square root of -1?\n\n-i\ni\n-1\n1

what is the square root of -1?\n\n-i\ni\n-1\n1
Answer
Explanation:
Step1: Identify the mathematical expression
The question asks for the square root of $-1$. $$ \sqrt{-1} $$
Step2: Apply the definition of imaginary units
In mathematics, the imaginary unit is defined as the square root of $-1$. $$ i = \sqrt{-1} $$
Answer:
$i$