Answer:
D.
Explanation:
The problem gives on the following equation:
Alongside the information that (
).
One must bear in mind that the operation (
) indicates that one has to find the number that when multiplied by itself will yield the number underneath the radical. The easiest way to find such a number is to factor the term underneath the radical. Rewrite the terms under the radical as the product of prime numbers,
Now remove the duplicate factors from underneath the radical,
Simplify,