document.write( "Question 1092216: If a+1/a=7 find the value of \r
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Algebra.Com's Answer #706831 by MathTherapy(10557)\"\" \"About 
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\n" ); document.write( "If a+1/a=7 find the value of \r
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\"a+%2B+1%2Fa+=+7\"\r\n" );
document.write( "\"%28a+%2B+1%2Fa%29%5E2+=+7%5E2\" ------ Squaring both sides\r\n" );
document.write( "\"a%5E2+%2B+1+%2B+1+%2B+1%2Fa%5E2+=+49\" \r\n" );
document.write( "\"a%5E2+%2B+1%2Fa%5E2+=+47\" ------- eq (i)\r\n" );
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document.write( " -------- Substituting 47 for \"a%5E2+%2B+1%2Fa%5E2\"\r\n" );
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document.write( "\"a%5E2+%2B+1%2Fa%5E2+=+47\"\r\n" );
document.write( "\"%28a%5E2+%2B+1%2Fa%5E2%29%5E2+=+47%5E2\" --------- Squaring eq (i)\r\n" );
document.write( "\"a%5E4+%2B+1+%2B+1+%2B+1%2Fa%5E4+=+47%5E2\" \r\n" );
document.write( "\"a%5E4+%2B+1%2Fa%5E4+%2B+2+=+47%5E2\"\r\n" );
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