Express the limit as a definite integral on the given interval.

Question

How to express the limit as a definite integral on the given interval ? lim n -> infinity ∑ (cos xi / xi) delta(x), [3pi,4pi] ?

Answer 1

Hi Kelly!

You can get the answer directly from the definition of the definite integral.

∫cos(x)/x dx, where the limits of integration are from 3pi to 4pi.