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A negative discriminant means no real roots because no real number has a negative:
AValue
BSquare
CCube
DTotal
Answer & Solution
Correct answer: B. Square
1. The formula needs the square root of the discriminant.
2. No real number squares to a negative.
3. So there are no real roots.
_Source: NCERT Class 10 Mathematics, Chapter 4, Quadratic Equations._
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