alleryIn integration by substitution, the aim is to rewrite the integrand in a form that is:
AFully numerical
BPurely constant
CReadily integrable
DHarder to read
Answer & Solution
Correct answer: C. Readily integrable
1. Some integrals are not obvious as they stand.
2. A change of variable can simplify them.
3. The aim is a form that can be readily integrated.
_Source: syllabus Mathematics Part II, Chapter 7, Integrals._
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