QUESTION 2 2.1 Given the complex number z = 3-j. 2.1.1 Show z on an Argand diagram. (2) 2.1.2 Rewrite z in polar form. (3) 2.1.3 Find z. (2) 2.2 The total impedance of an AC circuit containing two impedances Z₁ and Z2 in parallel is given by Z=₁22 Z₁ + Z₂ Find Zwhen Z₁ = 2-jand Z₂ = 3 + j (5) 2.3 Identify the following curves and rewrite the equations in standard form: 2.3.1 4x² - y² = 16 (2) 2.3.2 2x²-8x + y² +6y+15=0 (4)
