Xavi7525 Xavi7525
  • 30-01-2024
  • Physics
contestada

If 5√7 is a quadratic equation with rational coefficients and its root is 5 - √7, then:

a) 5 + √7 is also a root
b) The sum of the roots is rational
c) The product of the roots is rational
d) The roots occur in conjugate pairs

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