Q84. If α and β are the roots of the quadratic equation 2x2 - kx + 1 = 0, and the sum of the roots α + β = 10, what is the value of k?Mathematics — NUST Mock 6 — Question 84 of 200A. 5B. -5C. 20D. -20Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →