Express the radical using the imaginary unit, i.
Express your answer in simplified form.

The answer is law.The laws are scientific explanations considered to be true in any age and any place, under the terms that the law is defined. You can think of two physic laws: The Law of Universal Gravitation and The Law of Conservation of Energy. Theories are also scientific explanations but they are subject to continues proofs, so that they are ratified or substituted with an enhanced or new theory.