Z-transform - Convolution

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Linspire

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Guys,
I having problem to solve convolution for z-transform for following question part(ii).



the solution is given as below:



Regards
Linspire
 

their convolution is product of their Z-transforms, you know.

x1*x2=X1(z)X2(z).

then
X3(z)= X1(z)X2(z) ---inverse Z-transform-> x3.

Good luck
 
Alright I got it.
Thank you, SPIZERO.
 

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