A)integral,top limit =1, bottom limit = -infinity 1/1+x^2dx B)integral,top limit =infinity, bottom limit = 0 te^-t dt Evaluate the given improper integral or show that it diverges
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So A) B) Okay, now what is your difficulty? The first can be found in any table of integrals- is the direct derivative of a function. For (B), use integration by parts with u= t, .
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