📄 c22.m
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%(a) For k = 3y0=dsolve('D2y+4*Dy+3*y=0','y(0)=3','Dy(0)=-7','t') %(b) For k = 4y0=dsolve('D2y+4*Dy+4*y=0','y(0)=3','Dy(0)=-7','t') %(c) For k = 40y0=dsolve('D2y+4*Dy+40*y=0','y(0)=3','Dy(0)=-7','t')
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