If ax^2 + bx + 6 = 0 does not have two distinct real roots where…
Q : If ax2 + bx + 6 = 0 does not have two distinct real roots where a, b ∈ R, then the least value of 3a + b is (A) 4 (B) -1 (C) 1 (D) -2 Ans: (D) Sol. D ≤ 0 ⇒ f(x) ≥ 0 or, f(x) ≤ 0 for all … Read more