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- #1

- Jan 17, 2013

- 1,667

\[\int^{\infty}_{0} \frac{\cos(x) }{1+x^2}\,dx\]

I know it can be solved by fourier transform and also by residues , but my teacher

asked me to solve it by not using transformation or complex analysis

I know it can be solved by fourier transform and also by residues , but my teacher

asked me to solve it by not using transformation or complex analysis

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