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1. |
What is the z-transform of the signal x(n)=[3(2n)-4(3n)]u(n)? |
A. | 3/(1-2z<sup>-1</sup>)-4/(1-3z<sup>-1</sup>) |
B. | 3/(1+2z<sup>-1</sup>)-4/(1+3z<sup>-1</sup>) |
C. | 3/(1-2z)-4/(1-3z) |
D. | None of the mentioned |
Answer» B. 3/(1+2z<sup>-1</sup>)-4/(1+3z<sup>-1</sup>) | |