Answer:
11i
Step-by-step explanation:
first you have to get a postive root.
[tex]\sqrt{-121} \\ \sqrt{-1} \sqrt{121} \\[/tex]
then you solve the square roots from there, keeping in mind the imaginary number answer to the square root of -1, i.
[tex]\sqrt{-1} = i\\ \sqrt{121} =11\\ 11i[/tex]
