document.write( "Question 280306: If the arithmetic mean of x^1/2 and x^1/4 is 6 . then x is equal to \r
\n" ); document.write( "\n" ); document.write( "A 64 b 81 c 144 d 256 e none of these
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Algebra.Com's Answer #203743 by Alan3354(69443)\"\" \"About 
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If the arithmetic mean of x^1/2 and x^1/4 is 6 . then x is equal to \r
\n" ); document.write( "\n" ); document.write( "A 64 b 81 c 144 d 256 e none of these
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\n" ); document.write( "\"81%5E%281%2F2%29+%2B+81%5E1%2F4%29%29+=+12\"
\n" ); document.write( "12/2 = 6 so b fits
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\n" ); document.write( "\"256%5E%281%2F2%29+%2B+256%5E%281%2F4%29+=+16+-+4+=+12\"
\n" ); document.write( "12/2 = 6 so d fits
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