Question

Which of the following quantities are irrational for the quadratic equation $\left({\log }_{10}x\right)x^2-\left({\log }_{10}5\right)x=2{\left({\log }_{2}10\right)}^{-1}-x$ ?

• A. sum of roots
• B. products of roots
• C. sum of coefficients
• D. discriminant

Answer 1

Answer: (C), (D)

Correct answer is (c) sum of coefficientsCorrect answer is (d) discriminant