What is the Z-transform of $0.8^{n+2}u(n-1)$?

1. What is the Z-transform of the signal x n )=[ 3 2 N )- 4 3 n )] u n )?
2. What is the ROC of the Z-transform of the signal x n )= an u n )+ BN U (- n 1 )?
3. What is the Z-transform of 0?

What is the Z-transform of the signal x n )=[ 3 2 N )- 4 3 n )] u n )?

What is the z-transform of the signal x(n)=[3(2ⁿ)-4(3ⁿ)]u(n)? => X(z)=\frac31-2z^-1-\frac41-3z^-1.

What is the ROC of the Z-transform of the signal x n )= an u n )+ BN U (- n 1 )?

What is the ROC of the z-transform of the signal x(n)= aⁿu(n)+bⁿu(-n-1)? Explanation: We know that, ROC of z-transform of aⁿu(n) is |z|>|a|. ROC of z-transform of bⁿu(-n-1) is |z|<|b|.

What is the Z-transform of 0?

The z-transform of the zero order hold is 1.