document.write( "Question 703375: The sum of the reciprocals of two consecutive positive integers is seventeen seventy-two. Write an equation that can be used to find the two integers. What are the integers? \n" ); document.write( "
Algebra.Com's Answer #433483 by nshah11(47)![]() ![]() ![]() You can put this solution on YOUR website! Note that since the integers are positive and consecutive, let them be represented by x and (x + 1). \r \n" ); document.write( "\n" ); document.write( "Reciprocal of x => 1/x\r \n" ); document.write( "\n" ); document.write( "Reciprocal of (x + 1) => 1/(x + 1)\r \n" ); document.write( "\n" ); document.write( "1/x + 1/(x + 1) = 1772\r \n" ); document.write( "\n" ); document.write( "Getting a common denominator of x(x + 1):\r \n" ); document.write( "\n" ); document.write( "(x + 1) + x = 1772(x)(x + 1)\r \n" ); document.write( "\n" ); document.write( "2x + 1 = 1772x^2 + 1772x\r \n" ); document.write( "\n" ); document.write( "1772x^2 + 1770x - 1 = 0\r \n" ); document.write( "\n" ); document.write( "Via the quadratic formula:\r \n" ); document.write( "\n" ); document.write( "x = (-1770 +/- √(1770^2 - 4(1772)(-1))/(2*1772) yields no integers at all. Pleas recheck your problem. \n" ); document.write( " |