Algebra-2

Question Analysis
This problem assesses the student's ability to simplify a complex fraction by using the complex conjugate of the denominator.

Key Concept Explanation
To rationalize the denominator of a complex fraction, multiply both the numerator and the denominator by the conjugate of the denominator. This process eliminates the imaginary unit from the denominator.

Step-by-step Solution
1. Identify the given expression:
2. Determine the conjugate of the denominator:
3. Multiply the numerator and the denominator by the conjugate:
4. Expand the numerator: