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Homework Statement
The integral from -infinity to infinity of (2-x^4)dv
Homework Equations
U substitution
The Attempt at a Solution
Dont know what to use as my "u" ?
Can someone please help me out? Thank you in advance.
so for an example like this you would just do a regular anti derivative and then substitute your "s" in for the infinities and then evaluate >?[tex]\int_{-\infty}^\infty (2-x^4) \,dx [/tex]
If so, you do not need u-substitution here. Also, to compute an improper integral of this form you need to evaluate:
[tex]\lim_{s\to\infty} \int_{-s}^s (2-x^4) \,dx [/tex]