MathDB
Function on Three Variables

Source:

February 26, 2008

Problem Statement

For the nonzero numbers a a, b b, and c c, define (a,b,c)\equal{}\frac{abc}{a\plus{}b\plus{}c}. Find (2,4,6)(2,4,6).
<spanclass=′latex−bold′>(A)</span> 1<spanclass=′latex−bold′>(B)</span> 2<spanclass=′latex−bold′>(C)</span> 4<spanclass=′latex−bold′>(D)</span> 6<spanclass=′latex−bold′>(E)</span> 24 <span class='latex-bold'>(A)</span>\ 1 \qquad <span class='latex-bold'>(B)</span>\ 2 \qquad <span class='latex-bold'>(C)</span>\ 4 \qquad <span class='latex-bold'>(D)</span>\ 6 \qquad <span class='latex-bold'>(E)</span>\ 24
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