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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 1 · Q3
If the roots of equation a x^2+b x+c=0, a ≠ 0 are real and equal, then which of the following relation is true?
If the roots of equation $\displaystyle a x^{2}+b x+c=0, a \neq 0$ are real and equal, then which of the following relation is true ?
Official answer
(C)
$\displaystyle a c=\frac{b^{2}}{4}$
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