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The discriminant of the quadratic equation $ax^2 + x + a = 0$ is :
- (a)$\sqrt{1-4a^2}$
- (b)$1-4a^2$
- (c)$4a^2-1$
- (d)$\sqrt{4a^2-1}$
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Ans. (b) $1-4a^2$
The discriminant of the quadratic equation ax2 + x + a = 0 is :
CBSE Class 10 Maths PYQ · Quadratic Equations · Discriminant · 1 Mark · March 2026 · Basic
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