Let two numbers have arithmetic mean 9 and geometric mean 4. Then these numbers are the roots of the quadratic equation

Question

${x^2} - 18x - 16 = 0$

${x^2} - 18x + 16 = 0$

${x^2} + 18x - 16 = 0$

${x^2} + 18x + 16 = 0$

Please login to view the detailed solution steps...