Question: Need help with this For the following system 6 9 *(t) + 18 x(t) = 0, with the initial conditions x (0) = ., *(0

Need help with this

Need help with this For the following system 6 9
For the following system 6 9 *(t) + 18 x(t) = 0, with the initial conditions x (0) = ., *(0 ) = 19]. (a) Determine the natural frequencies and mode shapes; (b) Using modal analysis, determine the free-vibration response; (c) Solve with MATLAB ode45 function, then plot the numerical solution

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