document.write( "Question 64518: Rationalize the denominator: 7/(7 - (square root of)7)\r
\n" ); document.write( "\n" ); document.write( "a) (square root of)7
\n" ); document.write( "b) 7 + (square root of)7
\n" ); document.write( "c) (7 + (square root of)7)/6
\n" ); document.write( "d) (7 + (square root of)7/42
\n" ); document.write( "e) None of these
\n" ); document.write( "

Algebra.Com's Answer #46517 by venugopalramana(3286)\"\" \"About 
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Rationalize the denominator: 7/(7 - (square root of)7)
\n" ); document.write( "=[7*{7+SQRT(7)}]/[{7-SQRT(7)}{7+SQRT(7)}]
\n" ); document.write( "=[7*{7+SQRT(7)}]/[7^2-{SQRT(7)}^2]
\n" ); document.write( "=[7*{7+SQRT(7)}]/(49-7)
\n" ); document.write( "=[7+SQRT(7)]/6\r
\n" ); document.write( "\n" ); document.write( " a) (square root of)7
\n" ); document.write( " b) 7 + (square root of)7
\n" ); document.write( " c) (7 + (square root of)7)/6...............CORRECT
\n" ); document.write( " d) (7 + (square root of)7/42
\n" ); document.write( " e) None of these
\n" ); document.write( "
\n" );