document.write( "Question 803199: If:
\n" );
document.write( "x^2 + (1 / x^2) = 3 \r
\n" );
document.write( "\n" );
document.write( "What is the value of:
\n" );
document.write( "x^4 + (1/x^4)\r
\n" );
document.write( "\n" );
document.write( "Please show work if possible. Thank you. \n" );
document.write( "
Algebra.Com's Answer #484164 by mananth(16946)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "= \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "But x^2+(1/x^2) =3\r \n" ); document.write( "\n" ); document.write( "= 3^2-2\r \n" ); document.write( "\n" ); document.write( "=9-2 \n" ); document.write( "7 \n" ); document.write( " \n" ); document.write( " |