1.Determine the z-transforms of the following sequences.(a) x(n) = △(n) + 3△(n-2) + △(n + 1)△是冲激符号,

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1.Determine the z-transforms of the following sequences.(a) x(n) = △(n) + 3△(n-2) + △(n + 1)△是冲激符号,

1.Determine the z-transforms of the following sequences.(a) x(n) = △(n) + 3△(n-2) + △(n + 1)△是冲激符号,
1.Determine the z-transforms of the following sequences.
(a) x(n) = △(n) + 3△(n-2) + △(n + 1)
△是冲激符号,

1.Determine the z-transforms of the following sequences.(a) x(n) = △(n) + 3△(n-2) + △(n + 1)△是冲激符号,
结果：1+3*z^(-2)+z