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The definite integral's sign for a curve below the axis is:
APositive
BInfinite
CImaginary
DNegative
Answer & Solution
Correct answer: D. Negative
1. Function values below the axis are less than zero.
2. Integrating them keeps the sign.
3. So the integral is negative.
_Source: NCERT Class 12 Mathematics Part II, Chapter 8, Application of Integrals._
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