MathDB
Sum of Radical Expressions

Source:

June 13, 2009

Problem Statement

The expression 2 \plus{} \sqrt{2} \plus{} \frac{1}{2 \plus{} \sqrt{2}} \plus{} \frac{1}{\sqrt{2} \minus{} 2} equals: (A)\ 2\qquad (B)\ 2 \minus{} \sqrt{2}\qquad (C)\ 2 \plus{} \sqrt{2}\qquad (D)\ 2\sqrt{2}\qquad (E)\ \frac{\sqrt{2}}{2}