MathDB
Simplifying Radical Fractions

Source:

February 14, 2009

Problem Statement

The expression 1 \minus{} \frac {1}{1 \plus{} \sqrt {3}} \plus{} \frac {1}{1 \minus{} \sqrt {3}} equals: (A)\ 1 \minus{} \sqrt {3} \qquad(B)\ 1 \qquad(C)\ \minus{} \sqrt {3} \qquad(D)\ \sqrt {3} \qquad(E)\ 1 \plus{} \sqrt {3}