document.write( "Question 550908: I need the derivative of : y = e^x - e^-x \r
\n" ); document.write( "\n" ); document.write( "The answer is supposed to be y' = e^x + e^-x \r
\n" ); document.write( "\n" ); document.write( "I want to know how to do this.
\n" ); document.write( "Is there a solver on algebra.com to do this?
\n" ); document.write( "Thank you
\n" ); document.write( "

Algebra.Com's Answer #359232 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
I need the derivative of : y = e^x - e^-x
\n" ); document.write( "The answer is supposed to be y' = e^x + e^-x
\n" ); document.write( "I want to know how to do this.
\n" ); document.write( "Is there a solver on algebra.com to do this?
\n" ); document.write( "------------------
\n" ); document.write( "Do you know the derivative of e^x?
\n" ); document.write( "---------
\n" ); document.write( "Here's a solver.
\n" ); document.write( "------
\n" ); document.write( "http://www.calc101.com/
\n" ); document.write( "It will do them free. If you want to see the steps, it's $25/year.
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