document.write( "Question 350702: Find the second derivative of the function: y= xtan5x \n" ); document.write( "
Algebra.Com's Answer #250747 by Fombitz(32388)\"\" \"About 
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y'=\"x%2Asec%5E2%28x%29%2Btan%28x%29\"
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\n" ); document.write( "y''=\"x%2A2sec%28x%29%2Asec%28x%29tan%28x%29%2Bsec%5E2%28x%29%2Bsec%5E2%28x%29\"
\n" ); document.write( "y''=\"2sec%5E2%28x%29%28xtan%28x%29%2B1%29\"
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