document.write( "Question 610037: . The sum of the reciprocals of two consecutive positive odd integers is 16/63. Find the integers. \n" ); document.write( "
Algebra.Com's Answer #384094 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The sum of the reciprocals of two consecutive positive odd integers is 16/63. Find the integers. \n" ); document.write( "----- \n" ); document.write( "1st: 2x-1 \n" ); document.write( "2nd: 2x+1 \n" ); document.write( "---------- \n" ); document.write( "Equation: \n" ); document.write( "1/(2x-1) + 1/(2x+1) = 16/63 \n" ); document.write( "------ \n" ); document.write( "Multiply thru by 63*(2x-1)(2x+1) to get: \n" ); document.write( "63(2x+1) + 63(2x-1) = 16(4x^2-1) \n" ); document.write( "---------- \n" ); document.write( "126x + 63 + 126x - 63 = 64x^2 - 16 \n" ); document.write( "----------------- \n" ); document.write( "64x^2 - 252x - 16 = 0 \n" ); document.write( "-------- \n" ); document.write( "Divide thru by 4 to get: \n" ); document.write( "16x^2 - 63x - 4 = 0 \n" ); document.write( "------ \n" ); document.write( "16x^2-64x+x-4 = 0 \n" ); document.write( "------- \n" ); document.write( "16x(x-4)+(x-4) = 0 \n" ); document.write( "(x-4)(16x+1) = 0 \n" ); document.write( "----- \n" ); document.write( "x = 4 or x = -1/16 \n" ); document.write( "--- \n" ); document.write( "If x = 4 \n" ); document.write( "2x-1 = 7 \n" ); document.write( "2x+1 = 9 \n" ); document.write( "================= \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |