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{SECT 0 {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 7 "y:='y':" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 89 "Sol:=dsolve(diff(y(x),x$2)+(Pi^2)*y
(x)+(3/(8*Pi))*sin(Pi*x)-(9/64)*(sin(Pi*x))^2=0,y(x));" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 71 "assign(Sol): Eq1:=eval(subs(x=0,y(x
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{PARA 0 "> " 0 "" {MPLTEXT 1 0 28 "int((sin(2*Pi*x))^2,x=0..1);" }}}
{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 28 "int((sin(2*Pi*x))^3,x=0..1);
" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 49 "restart: u:=epsilon*u1+
epsilon^2*u2+epsilon^3*u3;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 
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