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Mathematics 15 Online
OpenStudy (anonymous):

i need help integrating using method of residues. the expression to follow

OpenStudy (anonymous):

@fifi0205 where is the expression

OpenStudy (anonymous):

\[\int\limits_{-\infty}^{\infty} q dq \frac{ e^{iq \left| x -x' \right| } }{ q^2 - k^2 \pm i\epsilon}\]

OpenStudy (anonymous):

sorry i took long posting the expression, if any one can please show me how you got to the answer step by step. thank you in advancce

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