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lihui6751303

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w=(exp((3*m*(s - 1))/2) - cos((3^(1/2)*m*(s - 1))/2) + 3^(1/2)*sin((3^(1/2)*m*(s - 1))/2))*((3*t*cos((3^(1/2)*m*t)/2))/2 - (3*t*exp(-(3*m*t)/2))/2 + (3^(1/2)*t*sin((3^(1/2)*m*t)/2))/2) - ((3*exp(-(3*m)/2))/2 + (3*cos((3^(1/2)*m)/2))/2 - (3^(1/2)*sin((3^(1/2)*m)/2))/2)*(cos((3^(1/2)*m*(s - t))/2) - exp((3*m*(s - t))/2) + 3^(1/2)*sin((3^(1/2)*m*(s - t))/2)) + (s/2 - t/2)*(3*exp((3*m*(s - t))/2) - 3*cos((3^(1/2)*m*(s - t))/2) + 3^(1/2)*sin((3^(1/2)*m*(s - t))/2))*(cos((3^(1/2)*m)/2) - exp(-(3*m)/2) + 3^(1/2)*sin((3^(1/2)*m)/2)) + (s/2 - 1/2)*(exp(-(3*m*t)/2) - cos((3^(1/2)*m*t)/2) + 3^(1/2)*sin((3^(1/2)*m*t)/2))*(3*exp((3*m*(s - 1))/2) + 3*cos((3^(1/2)*m*(s - 1))/2) + 3^(1/2)*sin((3^(1/2)*m*(s - 1))/2));
  Ï൱ÓÚw=w(m,t,s);
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