Answer:
It is the option B that is 'i'.
B. i
Step-by-step explanation:
Given :
The square root of -1 written as
[tex]\sqrt{-1}[/tex]
When there is a negative number in the square root it is called as an imaginary number.
And imaginary number is denoted by 'i'
and the value for i is [tex]\sqrt{-1}[/tex]
for an example
[tex]\sqrt{-3} = \sqrt{3}\times \sqrt{-1}[/tex]
[tex]= \sqrt{3}\times i\\= \sqrt{3}i[/tex]
Hence the answer is 'i'.
