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The least positive value of $k$, for which the quadratic equation $2x^2 + kx-4 = 0$ has rational roots, is
- (a)$\pm2\sqrt{2}$
- (b)$2$
- (c)$\pm2$
- (d)$\sqrt{2}$
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(B) $2$
The least positive value of k , for which the quadratic equation 2x2 + kx-4 = 0 has rational roots, is (A) ±2√2 (B) 2…
CBSE Class 10 Maths PYQ · Quadratic Equations · Nature of Roots · 1 Mark · March 2023 · Standard
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