- ARational and distinct
- BIrrational and distinct
- CEqual
- DImaginary
Step-by-Step Solution
When and is a perfect square, is an integer, so the roots are rational and distinct.
Answer: A) Rational and distinct
If D is a perfect square (and positive) for a quadratic with integer coefficients, its roots are:
Class 10Discriminant and Nature of RootsAlgebra — Quadratics
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