document.write( "Question 1200978: This is from my derivatives of exponents lesson.\r
\n" ); document.write( "\n" ); document.write( "If f(x)=10^(3x-5) times e^[(2x)^2], determine the values of x so that f'(x)=0.\r
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Algebra.Com's Answer #835200 by psbhowmick(878)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29+=+10%5E%283x-5%29e%5E%282x%29%5E2\"
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\n" ); document.write( "\"d%28f%28x%29%29%2Fdx+=+10%5E%283x-5%29e%5E%282x%29%5E2%284x%2B3ln%2810%29%29\"
\n" ); document.write( "\"d%28f%28x%29%29%2Fdx+=+10%5E%283x-5%29e%5E%282x%29%5E2%284x%2Bln%281000%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "Clearly, \"d%28f%28x%29%29%2Fdx\" will be zero only if \"4x%2Bln%281000%29\" is zero.
\n" ); document.write( "\"4x%2Bln%281000%29+=+0\"
\n" ); document.write( "\"x+=+%28-1%2F4%29ln%281000%29+=+-1.7269\"
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