Algebra-2

Question Analysis
This problem assesses the ability to rationalize the denominator of a binomial radical expression and simplify the resulting expression.

Key Concept Explanation
To rationalize the denominator, we multiply both the numerator and the denominator by the conjugate of the denominator. The conjugate of is .

Step-by-step Solution
1. Identify the conjugate of the denominator:
2. Multiply both the numerator and the denominator by the conjugate:
3. Simplify the denominator using the difference of squares formula: