MCQ
24. If $a x^2+b x+c=0$ has equal roots, then $c=$
- A$\frac{-b}{2 a}$
- B$\frac{b}{2 a}$
- C$\frac{-b^2}{4 a}$
- ✓$\frac{b^2}{4 a}$
✓
Answer
Correct option: D.
$\frac{b^2}{4 a}$
D
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