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If the discriminant is zero, the two roots are:
AEqual roots
BDistinct roots
CUnreal roots
DNegative roots
Answer & Solution
Correct answer: A. Equal roots
1. The square root term vanishes.
2. Both roots collapse to one value.
3. So the roots are equal.
_Source: NCERT Class 10 Mathematics, Chapter 4, Quadratic Equations._
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