document.write( "Question 328274: Express as a single logarithm and simplify: 1/3 logx y + 2/7 logx y \n" ); document.write( "
Algebra.Com's Answer #235123 by nyc_function(2741)\"\" \"About 
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Apply the rule: logA + logB = log(A*B).\r
\n" ); document.write( "\n" ); document.write( "Raise each fraction as an exponent of x.\r
\n" ); document.write( "\n" ); document.write( "logx^(1/3)y + logx^(2/7)y\r
\n" ); document.write( "\n" ); document.write( "log(x^(1/3)y*x^(2/7)y)\r
\n" ); document.write( "\n" ); document.write( "log(x^(13/21)*y^2)\r
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