defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Quadratic Equations Sum and Product of Roots
यदि \(\alpha, \beta, \gamma \) समीकरण x3 + 3x2 - 7x + 5 = 0 के मूल हैं, तो \(\frac{1}{\alpha } + \frac{1}{\beta } + \frac{1}{\gamma } \) का मान क्या है?
1
\(\frac{{ - 7}}{5}\)
2
\(\frac{{ 7}}{5}\)
3
\(\frac{{ -3}}{5}\)
4
\(\frac{{ 3}}{5}\)