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Unformatted text preview: 5. Problem 2.38 of the textbook 6. Problems 2.85 and 2.87 of the textbook. 7. Given x [ n ] = a n u [ n ] , nd the Ztransform and ROC of b 2( n +1) x [ n/ 5] . Answer to an extra problem (for your own use, not to be turned; not to be graded): 1. The commutative property of the convolution is only valid when the convolution does exist in the rst place. Consider the following three signals: x [ n ] = 2 ,y [ n ] = u [ n ] , and z [ n ] = [ n ] [ n1] . Show that z * ( y * x ) 6 = ( y * z ) * x ....
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 Spring '07
 fullterton
 Signal Processing

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