Question: A sampled data system, with a closed loop feedback transfer functions as: T ( z ) = k z 2 + z z 2 +

A sampled data system, with a closed loop feedback transfer functions as:
T(z)=kz2+zz2+0.2z-0.5
Determine the value of K for the system to be stable.
A sampled data system, with a closed loop

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