Algebra-2

Question Analysis
This problem assesses the student's ability to rationalize the denominator of a binomial radical expression.

Key Concept Explanation
To rationalize the denominator, 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:

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