Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Quadratic Equation
Find the positive value of k for which the quadratic equation 4x2 – kx + 9 = 0 has real and equal roots.
1
18
2
12
3
6
4
More than one of the above
5
None of the above