document.write( "Question 1068821: evaluate integral -4 to 4 x^3 cos(e^x+1/e^x-1) \n" ); document.write( "
Algebra.Com's Answer #684065 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
You must recognize that the function is odd.
\n" ); document.write( "Once you do that, you know that integrating over a symmetric interval will yield an integral of 0.
\n" ); document.write( "\"int%28x%5E3+cos%28%28e%5Ex%2B1%29%2F%28e%5Ex-1%29%29+%2Cdx%2Cx=-4%2C4%29=0\"
\n" ); document.write( "
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "
\n" );