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An integral runs all the way to infinity, or the integrand blows up inside the interval. Such integrals are called:
AImplicit
BInverse
CIndefinite
DImproper
Answer & Solution
Correct answer: D. Improper
1. Ordinary limits do not apply.
2. Both cases share the label.
3. They are improper integrals.
_Source: OpenStax Calculus Volume 2, Chapter 3, Techniques of Integration._
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