Which is equivalent to after it has been simplified completely? assume n ≠ 0. picture below

We have been given an expression . We are asked to simplify our given expression.  

First of all, we will simplify the expression inside radical as:

Using exponent property , we will get:  

Now we will use exponent property .

Now we will bring out perfect squares from radical as:

Therefore, simplified form of our given expression would be and option B is the correct choice.

its 50 miles away from the starting point