student and can be accessed in the accompanying excel document. For both the TF and SS, use f(t) as the input and x as the output. a_{1} \ddot{x}+b_{1} \ddot{x}+c_{1} \dot{x}+d_{1} x=f(t) b_{2} \ddot{x}+c_{2} \dot{x}+d_{2} x=f(t) c_{3} \dot{x}+d_{3} x=f(t)
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