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Maths CBSE Live product
Class 10 (2026-27)
Quadratic Equations
Revision III - Quadratic Equations
2.
Relations of Nature of roots
Question:
2
m.
If the roots of equation \(ax^2 + bx + c = 0\), \(a \ne 0\) are real and equal, then which of the following relation is true?
\(c = \frac{b^2}{a}\)
\(a = \frac{b^2}{c}\)
\(ac = \frac{b^2}{4}\)
\(b^2 = ac\)
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