document.write( "Question 723308: what is the geometric mean of 2a and 4a \n" ); document.write( "
Algebra.Com's Answer #443138 by MathLover1(20850)\"\" \"About 
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What is the geometric mean of: \"2a\" and \"4a\"?
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\n" ); document.write( " take the product \"2a+%2A4a=8a%5E2\"
\n" ); document.write( "because there are only two numbers, the nth root is the square root, and the \"sqrt%288a%5E2%29=2a%2Asqrt%282%29\"
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