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.
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Algebra.Com's Answer #484164 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E4+%2B+%281%2Fx%5E4%29\"\r
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\n" ); document.write( "\n" ); document.write( "= \"+%28%28x%5E2%29%2B%281%2Fx%5E2%29%29%5E2-2\"\r
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\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
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