Question Number 182238 by HeferH last updated on 06/Dec/22
Answered by Acem last updated on 06/Dec/22
$${a}=\mathrm{5}\int_{\mathrm{0}} ^{\:\infty} \:\frac{\mathrm{sin}\:{x}}{{x}}\:{dx}=\:\:\:\frac{\mathrm{5}\pi}{\mathrm{2}} \\ $$$$ \\ $$$${XD} \\ $$