• Support PF! Buy your school textbooks, materials and every day products Here!

Short improper integral question (how to rewrite?)

  • Thread starter vantz
  • Start date
  • #1
13
0

Homework Statement


f0uvk4.jpg



Homework Equations


b8papu.jpg



The Attempt at a Solution


33wtm6r.jpg


I'm trying to rewrite the integral as shown

Most probably a real simple answer

Thank you
 

Answers and Replies

  • #2
CompuChip
Science Advisor
Homework Helper
4,302
47
In the first integral, try substituting x for -x.
 
  • #3
13
0
I don't understand, wouldn't that be illegal to do?
 
  • #4
Dick
Science Advisor
Homework Helper
26,258
618
I don't understand, wouldn't that be illegal to do?
Yes, it would. But Compuchip meant to do a u-substitution. u=(-x), du=(-dx).
 
  • #5
CompuChip
Science Advisor
Homework Helper
4,302
47
Exactly. And don't forget the integration boundaries as well.
 
  • #6
13
0
I have it now. Thank you
 

Related Threads for: Short improper integral question (how to rewrite?)

Replies
1
Views
1K
  • Last Post
Replies
3
Views
2K
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
5
Views
1K
  • Last Post
Replies
12
Views
2K
  • Last Post
Replies
2
Views
2K
  • Last Post
Replies
3
Views
918
  • Last Post
Replies
14
Views
2K
Top