What is the smallest positive integer x such that 864x is the cube of a positive integer Options
A) 6  B) 12  C) 9  D) 5  E) 2
Given 864x is a perfect cube   so we will take 1728= 12*12*12   864x = 1728   x =1728/864= 
<gadget id="calculator">1728/864</gadget>
<output>2</output>
2   correct option is 2
<result>E</result>
What is the smallest positive integer x such that 864x is the cube of a positive integer