document.write( "Question 59245: Please find derivative and simplify:\r
\n" ); document.write( "\n" ); document.write( "y=ln(3x-5)^3/(5x+4)^4
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Algebra.Com's Answer #40610 by funmath(2933)\"\" \"About 
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Please find derivative and simplify:
\n" ); document.write( "d/dx[ln(x)]=1/x
\n" ); document.write( "d/dx[cf(x)]=cf'(x)
\n" ); document.write( "d/dx[c]=0
\n" ); document.write( "Chain Rule: d/dx[f(g(x))]=f'(g(x))*g'(x)
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\n" ); document.write( "y=ln((3x-5)^3/(5x+4)^4) Use properties of logs to simplify first.
\n" ); document.write( "y=ln((3x-5)^3)-ln((5x+4)^4)
\n" ); document.write( "y=3ln(3x-5)-4ln(5x+4) Now take the derivative using the chain rule:
\n" ); document.write( "\"dy%2Fdx=3%281%2F%283x-5%29%29%283%29-4%281%2F%285x%2B4%29%29%285%29\"
\n" ); document.write( "\"highlight%28dy%2Fdx=9%2F%283x-5%29-20%2F%285x%2B4%29%29\"
\n" ); document.write( "Happy Calculating!!!
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