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

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Answers 471<br />

0, x I/Q 0, r i; cosa, U , i> s<strong>in</strong>a.<br />

V Xo<br />

Integrat<strong>in</strong>g, we obta<strong>in</strong> v<br />

Q<br />

x =<br />

* ft .<br />

^<br />

f /<br />

'"<br />

k<br />

kv , v + mg = (kv Q s\na + mg)e m<br />

. 3092. x = acos ^=-,1, y =<br />

^<br />

= -~ s<strong>in</strong>Tr t, -\ 1. H<strong>in</strong>t. The differential equations<br />

* V m a- mu 2<br />

3093. [/- 2-2* x 2 . 3094. y=(y Q + .\ e 2 u ~ 1)<br />

3095. yl + lx +^ + ^^<br />

3096. , /t<br />

,.-.I^+-<br />

X 2<br />

X 3<br />

X 4<br />

*% 1 z Z*3 o4<br />

+1^ ,'+...<br />

^<br />

JfH-~ .<br />

3097. r/ x + -j<br />

3098. f/-^x<br />

^ + pr-r<br />

^~<br />

+ 77 r + ...'<br />

'<br />

2<br />

the<br />

l"-"<br />

series converges<br />

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