alleryTwo functions with the same derivative differ by a:
AMultiple
BSquared
CReverse
DConstant
Answer & Solution
Correct answer: D. Constant
1. Take the difference of the two functions.
2. Its derivative is zero at every point of the interval.
3. A function with zero derivative is constant, so they differ by one.
_Source: syllabus Mathematics Part II, Chapter 7, Integrals._
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