While calculating ∫∞0sin(x)xdx I integrated the complex function f(z)=eizz over the contour C=[−R,R]∪γR. γR=Reit where 0≤t≤π. I had some trouble to show that ∫γRf(z)→0 as R→∞. Is it possible to show this without using Jordan's Lemma but instead using the ML estimate?
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real analysis - How to find limhrightarrow0fracsin(ha)h
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