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Let the following signals be in continuous time, x1(t) and x2(t), determine the fundamental period analytically or graphically: x1(t) = sen t (-2) 5 (+1)

Let the following signals be in continuous time, x1(t) and x2(t), determine the fundamental period analytically or graphically:

ſt x1(t) = = sen 5no ſt x2(t) = 1 + cos 4. =$( + d(t) = xi(t) - 2x2(t)

x1(t) = sen t (-2) 5 (+1) 4 x2 (t) = 1 + cos

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