defence exam Agniveer Navy MR Mock Test Series 2025 Quantitative Aptitude Algebra Quadratic Equation
The quadratic equation 7x2 - 28x + 21 have roots α and β. And \(\frac{1}{\alpha}+\frac{1}{\beta} = \frac{k}{\alpha\beta}\) then find the value of k.
1
1
2
7
3
4
4
None of these