Gate2019 cs Q57
- Option : A
- Explanation :
It is given that, Polynomial 3x2 + 6xY + 3Y + 6 has only real roots
b2 – 4ax ≥ 0(6Y)2 – 4(3) (3Y+ 6) ≥ 0
Y2 – Y - 2 ≥ 0<
>Y ∈ (–∞, – 1] ∩ [2, ∞)
⇒ Y ∈ [2, 6)Since y is uniformly distributed in (1, 6)
Probability distributed function,
