Lag Compensator Find Value of 'a'

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Homework Statement


upload_2018-1-17_14-56-0.png
[/B]

Homework Equations


I used voltage divider rule.

The Attempt at a Solution


upload_2018-1-17_14-59-12.png

I get value of a = 3
Book answer is 1.5.
Is book wrong or am I wrong?
 

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Discussion

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Your answer is correct.

Were the resistor values to be swapped, the answer becomes 1.5
 
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