Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Quadratic Equation
Value of k in the quadratic equation 2x2 + kx + 3 = 0 so that it has 2 equal roots is
1
±4
2
±2√6
3
±3
4
More than one of the above
5
None of the above