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If D < 0 for a quadratic equation, then the equation has:

Class 10Nature of Roots (Discriminant)Quadratic Equations
  • ANo real roots
  • BTwo equal real roots
  • CTwo distinct real roots
  • DExactly one real root

Step-by-Step Solution

When D < 0 the square root of a negative number is not real, so there are no real roots.
Answer: A) No real roots

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