Evaluate the value of 2 [u (t - 1) - u (1 - 2t)] (u ( t + 1) + u (t)) at t = 3 s

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Evaluate the value of 2 [u (t - 1) - u (1 - 2t)] (u ( t + 1) + u (t)) at t = 3 sec.

Options:

A . 0

B . 4

C . ∞

D . 1

Answer: Option B
Answer: (b).4

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