MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the partial fraction expansion of X(z)=1/((1+z-1 )(1-z-1)2)? |
| A. | z/(4(z+1)) + 3z/(4(z-1)) + z/(2„Äñ(z+1)„Äó<sup>2</sup> ) |
| B. | z/(4(z+1)) + 3z/(4(z-1)) – z/(2〖(z+1)〗<sup>2</sup> ) |
| C. | z/(4(z+1)) + 3z/(4(z-1)) + z/(2„Äñ(z-1)„Äó<sup>2</sup> ) |
| D. | z/(4(z+1)) + z/(4(z-1)) + z/(2„Äñ(z+1)„Äó<sup>2</sup> ) |
| Answer» D. z/(4(z+1)) + z/(4(z-1)) + z/(2‚Äö√Ñ√ª‚àö√ë‚àö¬±(z+1)‚Äö√Ñ√ª‚àö√ë‚àö‚â•<sup>2</sup> ) | |