<Dd> x 1 3 = exp ⁡ (1 3 ln ⁡ x). (\ displaystyle x ^ (\ tfrac (1) (3)) = \ exp ((\ frac (1) (3)) \ ln (x)).) </Dd> <P> If we write x as </P> <Dl> <Dd> x = r exp ⁡ (i θ) (\ displaystyle x = r \ exp (i \ theta) \,) </Dd> </Dl> <Dd> x = r exp ⁡ (i θ) (\ displaystyle x = r \ exp (i \ theta) \,) </Dd>

When do you use cube roots in real life