The radical using the imaginary unit, i -30 will be +- ✓30 i
It should be noted that from the information given, the radical expression that is given is +-✓30.
This will be:
+-✓30 = +-✓30 ✓1
= ✓30i
= +- ✓30 i
Therefore, the radical using the imaginary unit, i -30 will be +- ✓30 i
Learn more about radical on:
brainly.com/question/21481298
#SPJ1