13.3 Question 3 A) if z = 12 + 2i and 21 -+-i, use MATLAB to find Z22 and 21/22 2 Leave your answer in both polar and rectangular form CR: 10 b) 'Use MATLAB to evaluate the complex number (3+j6)(6+j4 +7+j10 (2 + jl)j2 AP: 5 c) Give MATLAB commands to plot, on the same figure, the two functions: f = 3t+2 -0.5 g=2t cos(t) Where the variable t varies from 0 to 10 with step 0.5 - Draw the function f in blue 0 and the function g in red * - Give title to your graph and label the axes. CR: 5