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  • 08-03-2024
  • Mathematics
contestada

Let two numbers have arithmetic mean 9 and geometric mean 4. Then these numbers are the roots of the quadratic equation.
a. x² + 18x + 16 = 0
b. x² - 18x + 16 = 0
c. x² + 18x - 16 = 0
d. x² - 18x - 16 = 0

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