document.write( "Question 981108: what can we multiply to rationalize the denominator?\r
\n" ); document.write( "\n" ); document.write( " $\"+%28sqrt%28+2+%29xy%5E2%29%2F%28cube+root+of%28+8+%29xy%5E3%29+\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #602139 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The cube root of 8 is 2 so we can take the 8 out of\r\n" );
document.write( "the root and put 2 in front of the radical on the bottom.\r\n" );
document.write( "\r\n" );
document.write( "The cube root of y³ is y so we can take the ³ out of\r\n" );
document.write( "the root and put y in front of the radical on the bottom\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The y in the bottom cancels into the y in the top.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "To clear the cube root in the bottom multiply top and bottom by \r\n" );
document.write( ".  That will make the bottom become \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Now the x's cancel:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "You can either leave it like that or get all to one root:\r\n" );
document.write( "\r\n" );
document.write( " =  = \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( " =  = \r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( "

\n" );