(a) Compute the magnitude and the phase of the following complex numbers, and write them in polar form (i.e., of the form reje). Also, plot each number in the complex plane. i. 5j ii. -3-4j (b) Write the following complex numbers in the form o+jw (Cartesian form), and plot each number in the complex plane. i. 3e- ii. 2 (c) Simplify the following complex numbers and write them in Cartesian form. 1.1 (+) 18. ii. (1+1+2). (d) Consider the complex number Z1 Z2 Zm 44 8 = P1 P2 Pn where each Z; is a complex number with magnitude [Z] and phase ZZ, and each P; is a complex number with magnitude |Pil and phase /P. Write the magnitude and phase of s in terms of the magnitudes and phases of Z1, Z2,..., Zm. P1, P2,..., Pn