document.write( "Question 417471: This is a differentiation problem. If you can help, thank you.\r
\n" ); document.write( "\n" ); document.write( "f(x)=1/2(e^x+e^-x. Find f'(x)and f''(x)\r
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Algebra.Com's Answer #292332 by Gogonati(855) $\"\"$ $\"About$

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f(x)=e^x/2+1/2e^x; f'(x)=e^x/2-e^x/2e^2x and f''(x)=e^x/2-1/2[e^x2e^2x-e^2x(e^x)]/e^4x=e^x/2-e^3x/2e^4x. \n" ); document.write( "

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