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Problems in Mathematical Analysis.pdf - pwp.net.ipl.pt

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Sec. 3] Improper Integrals 145<br />

Solution. The po<strong>in</strong>t of discont<strong>in</strong>uity of the <strong>in</strong>tegrand is x=l. Apply<strong>in</strong>g<br />

the Lagrange formula we get<br />

where *

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