MathDB
Perfect Square

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April 2, 2013

Problem Statement

Which of the following numbers is a perfect square?
<spanclass=′latex−bold′>(A)</span>445566<spanclass=′latex−bold′>(B)</span>445665<spanclass=′latex−bold′>(C)</span>455466<spanclass=′latex−bold′>(D)</span>465465<spanclass=′latex−bold′>(E)</span>465564<span class='latex-bold'>(A) </span>4^45^56^6\qquad<span class='latex-bold'>(B) </span>4^45^66^5\qquad<span class='latex-bold'>(C) </span>4^55^46^6\qquad<span class='latex-bold'>(D) </span>4^65^46^5\qquad<span class='latex-bold'>(E) </span>4^65^56^4
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