defence exam CISF Head Constable Ministerial (HCM) & ASI Steno Mock Test Series Quantitative Aptitude Algebra Quadratic Equation
यदि mx2 - 2x + 4 = 0 एवं x2 - 4x + n = 0 का उभयनिष्ठ मूल 3 है, तो n - m = ?
1
\(\frac{17}{9}\)
2
\(\frac{25}{9}\)
3
\(\frac{14}{5}\)
4
\(\frac{12}{5}\)