Quadratic Equations Formulas for JEE 2026
22 formulas in Quadratic Equations (Maths) How many can you recall?
Sign of quadratic between roots
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Location: f(k)f(l) sign change
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Discriminant of a quadratic
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Quadratic formula (Shreedharacharya)
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Nature of roots from discriminant
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Common root of two quadratics
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Symmetric: $\alpha^2+\beta^2$
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Difference of roots: $(\alpha-\beta)^2$
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Sign of quadratic expression on ℝ
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Quadratic from sum and product of roots
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Distance between roots (root separation)
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Vertex and extremum of a parabola
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Transforming the quadratic (shifted roots)
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Quadratic formula (Shridharacharya)
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Vieta's relations (sum and product of roots)
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Nature of roots from discriminant
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Equation with reciprocal roots
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Vieta: sum and product of roots
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Shift substitution x → x − h
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Discriminant of a quadratic
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Common root of two quadratics
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Locating real roots on the number line
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