document.write( "Question 1030742: The set Q consists of integers q that are perfect cubes and satisfy 3^6≤q^2≤ 3^7. Find the least and greatest members of Q.
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Algebra.Com's Answer #645573 by robertb(5830)\"\" \"About 
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The perfect cubes are ±1, ±8, ±27, ±64, ±125, ±216, etc...\r
\n" ); document.write( "\n" ); document.write( "You want \"3%5E6+=+729+%3C=+q%5E2+%3C=+3%5E7+=+2187\", and incidentally only the perfect cube ±27 can satisfy this condition.\r
\n" ); document.write( "\n" ); document.write( "==> Q = {±27}, hence the least member of Q is -27 and the greatest is 27.\r
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