document.write( "Question 1187765: Find the derivative of the function y, below.
\n" ); document.write( "y=9x(lnx+ln4)−4x+π\r
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Algebra.Com's Answer #819186 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"y=9x%28ln%28x%29%2Bln%284%29%29-4x%2Bpi\"\r
\n" ); document.write( "\n" ); document.write( "\"y=9x%28ln%284x%29%29-4x%2Bpi\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28d%2Fdx%29%289x%28ln%284x%29%29-4x%2Bpi%29\"\r
\n" ); document.write( "\n" ); document.write( "=\"%28d%2Fdx%29%289x%28ln%284x%29%29%29-%28d%2Fdx%29%284x%29%2B%28d%2Fdx%29%28pi%29\"\r
\n" ); document.write( "\n" ); document.write( "=\"9%28ln%284x%29%2B1%29-4%2B0\"\r
\n" ); document.write( "\n" ); document.write( "=\"9ln%284x%29%2B9-4\"\r
\n" ); document.write( "\n" ); document.write( "=\"9ln%284x%29%2B5\"\r
\n" ); document.write( "\n" ); document.write( "=>
\n" ); document.write( "\"y\"'\"%28x%29+=+9log%284x%29+%2B+5++\"\r
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