engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) Quantitative Aptitude Algebra Quadratic Equation
Which of the following quadratic equations has real and rational roots?
1
2x2 + 5x - 1 = 0
2
X2 + 8x + 6 = 0
3
4x2 - 5x + 2 = 0
4
5x2 + 6x + 1 = 0