Difference between revisions of "2013 UNCO Math Contest II Problems/Problem 2"

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EXAMPLE: The number <math>64</math> is equal to <math>8^2</math> and also equal to <math>4^3</math>, so <math>64</math> is both a perfect square and a perfect cube.
 
EXAMPLE: The number <math>64</math> is equal to <math>8^2</math> and also equal to <math>4^3</math>, so <math>64</math> is both a perfect square and a perfect cube.
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(a) Find the smallest positive integer multiple of <math>12</math> that is a perfect square.
 
(a) Find the smallest positive integer multiple of <math>12</math> that is a perfect square.
 +
 
(b) Find the smallest positive integer multiple of <math>12</math> that is a perfect cube.
 
(b) Find the smallest positive integer multiple of <math>12</math> that is a perfect cube.
 +
 
(c) Find the smallest positive integer multiple of <math>12</math> that is both a perfect square and a perfect cube.
 
(c) Find the smallest positive integer multiple of <math>12</math> that is both a perfect square and a perfect cube.
  

Revision as of 15:08, 16 October 2014

Problem

EXAMPLE: The number $64$ is equal to $8^2$ and also equal to $4^3$, so $64$ is both a perfect square and a perfect cube.

(a) Find the smallest positive integer multiple of $12$ that is a perfect square.

(b) Find the smallest positive integer multiple of $12$ that is a perfect cube.

(c) Find the smallest positive integer multiple of $12$ that is both a perfect square and a perfect cube.

Solution

See Also