defence exam SSB Head Constable (Communication) 2023 Mock Test Mathematics Sequences and Series Arithmetic Progressions
If a, b, c are in arithmetic progression, then the roots of the equation ax2 - 2bx + c = 0 are
1
1 and \(\frac{c}{a}\)
2
-\(\frac{1}{a}\) and - c
3
-1 and \(-\frac{c}{a}\)
4
-2 and \(-\frac{c}{2a}\)