Question: By applying appropriate theorems and using the signals defined in Problem 2.28, find Fourier transforms of the following signals: (a) x a (t) = 1/2

By applying appropriate theorems and using the signals defined in Problem 2.28, find Fourier transforms of the following signals:
(a) x_a (t) = 1/2 x₁ (t) + 1/2 x₁ (-t)
(b) x_b (t) = 1/2 x₂ (t) + 1/2 x₂ (-t)

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