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The value(s) of $k$ for which the equation $2x^2- kx + 1 = 0$ has real and equal roots is/are:
- (a)$2\sqrt{2}$
- (b)$\pm2\sqrt{2}$
- (c)$-2\sqrt{2}$
- (d)$2$
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(c) $\pm 2\sqrt{2}$
CBSE Class 10 Maths PYQ · Quadratic Equations · Nature of Roots · 1 Mark · July 2023 · Standard
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