MCQ
A quadratic equation has
- Aat most two roots
- Bat least two roots
- ✓exactly two roots
- Dat least one root
✓
Answer
Correct option: C.
exactly two roots
(C)exactly two roots
A quadratic equation has exactly two roots, say $\alpha$ and $\beta$, such that $\alpha+\beta=-\frac{b}{a}$ and $\alpha \beta=\frac{c}{a}$.
A quadratic equation has exactly two roots, say $\alpha$ and $\beta$, such that $\alpha+\beta=-\frac{b}{a}$ and $\alpha \beta=\frac{c}{a}$.
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