Answer:
Yep, they all match:
1. Correct
2. Correct
3. Correct
4. Correct
Explanation:
1. 
√2 • √3 • √3 = 4.242640687119285
3√2 = 4.242640687119285
2. 
√2 • √3 • √-3 = 4.24264069i
3i√2 = 4.24264069i
3. 
√-2 • √-3 • √-3 = -4.24264069i
-3√2 = -4.24264069i
4. 
√2 • √-3 • √-3 = -4.24264069i
-3i√2 = -4.24264069i