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y(t) = 2 x(t) is an invertible system whose inverse system H–1 is—
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-
1 x(t) 2 -
1 x2(t) 2 -
3 y(t) 2 -
1 y(t) 2
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Correct Option: D
From given figure
y(t) = H x(t)
H– 1 2x(t) = y′(t)
y(t)=2x(t)
Again from figure
y′(t) = y(t). H– 1
| or y′(t) = 2. x(t) | 2 |
or y′(t) = x(t)
Therefore, it is clear that the system is invertible.
Hence, alternative (D) is the correct choice.
