Equivalent Radical Expressions
Source:
February 11, 2009
Problem Statement
If , , and are positive integers, the radicals \sqrt{a\plus{}\frac{b}{c}} and are equal when and only when:
(A)\ a\equal{}b\equal{}c\equal{}1 \qquad
(B)\ a\equal{}b\text{ and }c\equal{}a\equal{}1 \qquad
(C)\ c\equal{}\frac{b(a^2\minus{}1)}{2} \\
(D)\ a\equal{}b \text{ and }c\text{ is any value} \qquad
(E)\ a\equal{}b \text{ and }c\equal{}a\minus{}1