9–67 The MATLAB function limit can be used to take the limit of a symbolic expression. Use MATLAB and the initial and final value properties to find the initial and final values of the waveforms corresponding to the following transforms.

If either property is not applicable, explain why. Use MATLAB again to compute the waveforms corresponding to each transform and then take limits in the time domain to verify the answers found using the initial and final value properties.

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(a) Fi(s)=- (s+300) (s+30)(s+1000) (s+200)2 (b) F(s)= (s+ 100)(s+2000)