Q3/ (a) Write a MATLAB program to select and print odd number of the following matrix: [11 23 50 12 Matrix 9 44 20 15 87 90 23 2 L10 12 13 14 (b) Write an m-file using MATLAB program to calculate the roots: R1, and R2, as follow: -btvb2-4ac R where; a=2, 1; b=-10,2; c=12, 1. 2a