The unit step response of a system is s(t) = (1 – e-2t )u(t). The impulse r'esponse of the system is then: | А. h (t) — и(t — 1) + 2е-2'и(t) В. h(t) %3D (1 + 2е-2t )u(t) С. h(t) 3 2e 20'u(t) D. h(t) = 28(t) – 2e-2tu(t) %3D

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