2. (a) For n 2 0 write out the fint four terms of the sequence z(n) 3(-3)" and then use the definition of the Z-transform to find the Z-transform of the sequence. (b) Use the definition of the Z-trausform to show Zlu(n-3)]- (부).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Plz solve only b part only b
2. (a) For n 20 write out the first four terms of the sequence z(n) (-3)" and then use
the definition of the Z-transform to find the Z-transform of the sequence
(b) Use the definition of the Z-trausform to show Zlu(n-3)]-
Transcribed Image Text:2. (a) For n 20 write out the first four terms of the sequence z(n) (-3)" and then use the definition of the Z-transform to find the Z-transform of the sequence (b) Use the definition of the Z-trausform to show Zlu(n-3)]-
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