Integrating a fxn with f(x^2)

  • Thread starter wvcaudill2
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  • #1
wvcaudill2
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Homework Statement


http://img857.imageshack.us/i/no34.jpg/ [Broken]


Homework Equations


The Fundamental Theorem of Calculus, i.e., taking the derivative of an integral yields the original function.

The Attempt at a Solution


I am not sure how to go about integrating this function because I have never had an integral that has both a variable and a function being multiplied together.
 
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Answers and Replies

  • #2
Char. Limit
Gold Member
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Try a u-substitution. u=x^2 should work.
 
  • #3
wvcaudill2
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Try a u-substitution. u=x^2 should work.

Wow, I can't believe I didnt try u-sub first!

My final answer came to be
[tex] \frac{f(b^{2})-f(a^{2})}{2} [/tex]

Thanks!
 

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