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.
[\The question is to evaluate the integral from 1 to infinity of ∫[(1)/(3x+1)^2] dx.
No idea how to do this can anyone help explain improper integrals please.
THE ANSWER TO THE PROBLEM IS 1/12 thought . . . .
Thanks