**Basic Results related to a Quadratic Equation**

- The quadratic equation has rational roots if D is a perfect square and a, b, c are rational.
- If a, b, c are odd integers, then the roots of quadratic equation can’t be rational.
- If a = 1 and b, c are integers and the roots of the quadratic equation are rational, then the roots must be integers.

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CBSE Class 11 Maths Quadratic Equations All Topic Notes CBSE Class 11 Maths All Chapters Notes