- #1
vantz
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Homework Statement
Homework Equations
The Attempt at a Solution
I'm trying to rewrite the integral as shown
Most probably a real simple answer
Thank you
Short improper integral question (how to rewrite?)
- Thread starter vantz
- Start date
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Homework Help Overview
The discussion revolves around rewriting an improper integral, with participants exploring methods to approach the problem. The subject area pertains to integral calculus and substitution techniques.
Discussion Character
- Exploratory, Mathematical reasoning, Assumption checking
Approaches and Questions Raised
- Participants discuss the possibility of using substitution to rewrite the integral, with some questioning the legality of the proposed substitution. Others clarify that a u-substitution is intended, specifically u = -x.
Discussion Status
The discussion has progressed with participants providing guidance on the substitution method and emphasizing the importance of adjusting integration boundaries. There appears to be a productive exchange of ideas, with one participant indicating they have resolved their confusion.
Contextual Notes
There is an implication of homework constraints, as participants are navigating the rules of substitution in the context of an improper integral.
I'm trying to rewrite the integral as shown
Most probably a real simple answer
Thank you
- #2
CompuChip
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In the first integral, try substituting x for -x.
- #3
vantz
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I don't understand, wouldn't that be illegal to do?
- #4
Dick
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vantz said:
Yes, it would. But Compuchip meant to do a u-substitution. u=(-x), du=(-dx).
- #5
CompuChip
Science Advisor
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Exactly. And don't forget the integration boundaries as well.
- #6
vantz
- 13
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I have it now. Thank you
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