PRC-2 · Chapter 6 · Question 34 of 45
Why is the 'Constant of Integration' (+C) added to every 'Indefinite Integral'?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) Because the original function might have included a constant that became zero during differentiation.
Explanation
Since different constants (like 5, 10, or 100) all differentiate to zero, we must include +C when working backward to represent any potential lost constant.
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