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  3. 4 let xt be the signal shown in figure p152a...

Question: 4 let xt be the signal shown in figure p152a...

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4. Let x(t) be the signal shown in Figure P1.52a (p. 89) of the textbook. Plot the following: a. x(3t) b. x(t-2) c. x(1-t) d. x(t/2 - 1) 5. Complex number review. a. Convert z1 -2j into polar form b. Convert z2-3+4j into polar form c. Convert z3 -4e3n4 into rectangular form d. Convert z4 -2.5e/2 into rectangular form e. Plot the points for a-d and label. 6. For the complex numbers z1 -1-2j and z2 3+4j, compute: a. complex conjugate of z2 b. Z1z2 . Z1-22 d. z1/22

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