Algebra-1

Question Analysis
This question tests the student's ability to rationalize the denominator of a radical expression by multiplying both the numerator and the denominator by the conjugate of the denominator.

Key Concept Explanation
The key concept here is the process of rationalizing the denominator, which involves removing the radical from the denominator by multiplying both the numerator and the denominator by the same radical.

Step-by-step Solution
1. Multiply the numerator and the denominator by :

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