69
The least positive value of $k$, for which the quadratic equation $2x^2 + kx-4 = 0$ has rational roots, is
- (a)$\pm 2\sqrt{2}$
- (b)2
- (c)$\pm 2$
- (d)$\sqrt{2}$
Show SolutionHide Solution↓
(B) 2
The least positive value of k , for which the quadratic equation 2x2 + kx-4 = 0 has rational roots, is
CBSE Class 10 Maths PYQ · Quadratic Equations · Nature of Roots · 1 Mark · March 2023 · Standard
Solve it yourself first — then press ↓ or tap Show Solution. Use ← → for previous / next question.