Pre-Calculus - Adding rational expressions with and imaginary conjugates 2i/(2+i) + 5/(2-i)

The video tutorial explains how to add two rational expressions with complex denominators. It begins with a review of adding fractions with common denominators, then moves on to handling complex denominators by multiplying by the other denominator. The tutorial covers the difference of squares and the role of the imaginary unit 'i' in simplifying expressions. Finally, it demonstrates how to express the result in standard form.

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