Assertion(A): (2x – 1)² – 4x² + 5 = 0 is not a quadratic equation. Reason(R): An equation of the form ax² + bx + c = 0, a ≠ 0, where a, b, c ∈ R is called a quadratic equation.

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Assertion-ReasonStandard Form of Quadratic Equation

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