Question

Express ✓-18 in terms of i.
✓-18 =
Enter your next step h

Answer 1

Answer:

3✓2 i (3 times the square root of two times i; the i is not under the square root sign)

Step-by-step explanation:

✓-18

✓18*✓-1

✓(2*9)*✓-1

3✓2 i