state gov Bihar Vidhan Sabha DEO Mock Test 2024 Quantitative Aptitude Algebra Quadratic Equation

If the equation x2 – 7x + 21 = 0 has two roots α and β, then the value of \(\frac{\alpha }{\beta } + \frac{\beta }{\alpha }\) is

1
1/3
2
2/3
3
7/9
4
3
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