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{SECT 0 {EXCHG {PARA 256 "" 0 "" {TEXT -1 54 "PHYS 312:\nSOLUTIONS TO \+
PROBLEMS\nSect 4.3\nProblem 4.3:2" }}{PARA 0 "" 0 "" {XPPEDIT 18 0 "u[
p] = -cos(x);" "6#/&%\"uG6#%\"pG,$-%$cosG6#%\"xG!\"\"" }{TEXT -1 55 "
\nis a particular solution to the differential equation\n" }{XPPEDIT 
18 0 "u=-cos(x)+cos(x)*(e^(y)+e^(-y))/(e^(-pi/2)+e^(-pi/2))" "6#/%\"uG
,&-%$cosG6#%\"xG!\"\"*(-F'6#F)\"\"\",&)%\"eG%\"yGF.)F1,$F2F*F.F.,&)F1,
$*&%#piGF.\"\"#F*F*F.)F1,$*&F9F.F:F*F*F.F*F." }}{PARA 0 "" 0 "" {TEXT 
-1 28 "will solve the full problem." }}}}{MARK "0 0 0" 0 }{VIEWOPTS 1 
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