document.write( "Question 1043307: If \"x%5E2%2By%5E2=85\" and xy=5, what is the value of \"%281%2Fx-1%2Fy%29%5E2\"?
\n" ); document.write( "A) 5
\n" ); document.write( "B) 75
\n" ); document.write( "C) 80
\n" ); document.write( "D) 3
\n" ); document.write( "

Algebra.Com's Answer #658440 by ikleyn(52817)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "If \"x%5E2%2By%5E2=85\" and xy=5, what is the value of \"%281%2Fx-1%2Fy%29%5E2\"?
\n" ); document.write( "A) 5
\n" ); document.write( "B) 75
\n" ); document.write( "C) 80
\n" ); document.write( "D) 3
\n" ); document.write( "~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\r\n" );
document.write( "\"%281%2Fx-1%2Fy%29%5E2\" = \"%28x-y%29%5E2%2F%28xy%29%5E2\" = \"%28x%5E2+-+2xy+%2B+y%5E2%29%2F%28xy%29%5E2\" = \r\n" );
document.write( "\r\n" );
document.write( "     replace \"x%5E2+%2B+y%5E2\" by 85, and replace xy by 5. You will get\r\n" );
document.write( "\r\n" );
document.write( "= \"%2885-2%2A5%29%2F5%5E2\" = \"75%2F25\" = 3.\r\n" );
document.write( "\r\n" );
document.write( "Answer.  3.  Option D).\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "Solved
\n" ); document.write( "
\n" );