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f-s-1-2pi-e-i-s-d-0-1-2pi-e-st-e-i-s-d-ds-




Question Number 219301 by SdC355 last updated on 22/Apr/25
f(s)=(1/(2π)) ∫_(−∞) ^(+∞)   e^(−iω(s−α)) dω   ∫_0 ^∞   (1/(2π))[e^(−st)  ∫_( −∞) ^( +∞)   e^(−iω(s−α)) dω]ds=....?
$${f}\left({s}\right)=\frac{\mathrm{1}}{\mathrm{2}\pi}\:\int_{−\infty} ^{+\infty} \:\:{e}^{−\boldsymbol{{i}}\omega\left({s}−\alpha\right)} \mathrm{d}\omega\: \\ $$$$\int_{\mathrm{0}} ^{\infty} \:\:\frac{\mathrm{1}}{\mathrm{2}\pi}\left[{e}^{−{st}} \:\int_{\:−\infty} ^{\:+\infty} \:\:{e}^{−\boldsymbol{{i}}\omega\left({s}−\alpha\right)} \mathrm{d}\omega\right]\mathrm{d}{s}=….? \\ $$

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