Help on DSP mathematics and questions

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tankc

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Hi i have questions in my assignment which i got stuck. Will appreciate if some1 could help

How do i go about doing partial fraction expansion for the below equation
Y(z)/z=(4z+3)/{[z-(1/2)][z-e^jω]} see below pic for clarity

then inverse z-transform to get y
note that j e^jω is in complex


Another question is determine the z-transform of x=(n+1)u

Thanks in advance for the help.. hope to see some help soon...
 

here iam attached sample z- transform problems. you gothrough that problems then got an idea to solve your problems
 

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