The answer is 2i. When dealing with negative square roots, the expression i is used to represent the square root of -1.
Chat with our AI personalities
9 square root 4 minus 12 square root 4 = -6
JACK
2 square root 2
4 times 4 minus 4 minus square root of 4.
The square root of minus 8 is equal to the square root of 8 times the square root of minus 1, or 2.8284i.