Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Quadratic Equation
Which of the quadratic equations below will not have real roots?
1
x2 + 4x + 4 = 0
2
x2 + 4x + 5 = 0
3
x2 + 4x - 4 = 0
4
More than one of the above
5
None of the above