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Before choosing a technique, a student must first recognise when integration by parts is:
AForbidden
BAutomatic
CAppropriate
DImpossible
Answer & Solution
Correct answer: C. Appropriate
1. Not every integral needs it.
2. Recognition comes first.
3. It is knowing when it is appropriate.
_Source: OpenStax Calculus Volume 2, Chapter 3, Techniques of Integration._
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