Consider the system with following input-output relation$y\left[ n \right] = \left[ {1 + {{\left( { - 1} \right)}^n}} \right]x\left[ n \right]$where, x[n] is the input and y[n] is the output. The system is

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NA

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invertible and time invariant

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invertible and time varying

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non-invertible and time invariant

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non-invertible and time varying

1.	Consider the system with following input-output relation\(y\left[ n \right] = \left[ {1 + {{\left( { - 1} \right)}^n}} \right]x\left[ n \right]\)where, x[n] is the input and y[n] is the output. The system is
A.	invertible and time invariant
B.	invertible and time varying
C.	non-invertible and time invariant
D.	non-invertible and time varying
Answer» E.

Consider the system with following input-output relation\(y\left[ n \right] = \left[ {1 + {{\left( { - 1} \right)}^n}} \right]x\left[ n \right]\)where, x[n] is the input and y[n] is the output. The system is

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