document.write( "Question 180089: if the reciprocal of x+1 Is x-1 determine x \n" ); document.write( "
Algebra.Com's Answer #134966 by stanbon(75887) ![]() You can put this solution on YOUR website! if the reciprocal of x+1 Is x-1 determine x \n" ); document.write( "-------- \n" ); document.write( "1/(x+1) = x-1 \n" ); document.write( "Cross-multiply to get: \n" ); document.write( "x^2-1 = 1 \n" ); document.write( "x^2 = 2 \n" ); document.write( "x = sqrt(2) or x = -sqrt(2) \n" ); document.write( "=================================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |