defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Quadratic Equations Location of Roots
If root of the equation (a2 + b2)x2 - 2b(a + c)x + (b2 + c2) = 0 are equal, then which one of the following is correct?
1
2b = a + c
2
b2 = ac
3
b + c = 2a
4
b = ac