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1 of 3

Q1

Q2

2 of 3

Q3

Q4

Q5

Q6

Sketch the following signal

Q7. U(t-5)- U(t-8)

Q8. U(t-6)+U(t-4)

Q9. t²(U(t-1)-U(t-3)

Q10. (t – 4)(U(t-1)-U(t-4))