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

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and x = ccos f t . 3043. y J . 3043.<br />

)<br />

Answers 469<br />

6~ 2 -gs;=: j/ -In 6 t ~=r=gs; In (6+ ^35). 3044.2<br />

y (6+ 1^35). 3044. a)r=<br />

= .<br />

(e'tf + e-"*); b) r = (e ll)t e~ wi ) H<strong>in</strong>t. The differential equation<br />

2 2,(H<br />

is ^ = o)V. 3045. y = C, + C,e* + C3 e 12X . 3046. y = C, + C 2

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