engineering recuitment ONGC AEE Mechanical Mock Test 2025 Quantitative Aptitude Progression Geometric Progression
The condition, under which the roots of the cubic equation
x3 - px2 + qx - r = 0
are in a geometrical progression, is
1
p + q - r = 0
2
q3r - p3 = 0
3
p3r - q3 = 0
4
More than one of the above
5
None of the above