Answer:
3√7
------- (Answer A).
7
Step-by-step explanation:
The expression 3/√7 has a radical in the denominator. Most times when you're asked to simplify such an expression, you're actually being asked to rationalize the denominator: remove the √ sign from the denominator.
Given 3/√7, the first thing we need to do is the multiply both numerator and denominator by √7.
This results in:
3√7
------- (Answer A).
7
