#1135 · Algebra · Exponentials & logarithms

Algebraic rationalization of surds

Express $\frac{1}{a + b + a + b}$ as an equivalent fraction with a rational denominator.

~7 minAnswer checked instantlyrationalizing the denominatoralgebraic surds

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. VIII. Surds and Imaginary Quantities, Examples VIII.a, No. 3

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Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).