- #1
roam
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Homework Statement
[PLAIN]http://img413.imageshack.us/img413/6839/49887281.gif [Broken]
The Attempt at a Solution
(a)
du=4x3dx
[tex]\int^b_{a} f(x^4)dx= \int^{1^4}_{(-1)^4} 1+u \frac{du}{4x^3}[/tex]
So, why does the method break down? Is it because a=b=1 (it should've been a < b)?
(b) What does it mean for the Jacobian [tex]\frac{du}{dx}[/tex] to "vanish"? And how do we find this point?
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