Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Quadratic Equation
If the quadratic equation (a2 - b2) x2 + (b2 - c2) x + c2 - a2 = 0 has equal roots, then which of the following is true:
1
b2 = c2 + 2a2
2
b2 + c2 = 2a2
3
b2 - c2 = 2a2
4
More than one of the above
5
None of the above