Civil Services Uttar Pradesh (उत्तर प्रदेश) PCS Mock Test Series 2025 Quantitative Aptitude Algebra Quadratic Equation
The quadratic equation whose roots are 9 and 11 is:
1
x2 - 20x + 99 = 0
2
x2 + 20x + 100 = 0
3
x2 - 20x + 98 = 0
4
x2 + 20x - 99 = 0