for number 1 just do normal math, for number 2 do it by hand then matlab script to verify it

i. (3 pts) By hand using the principles of linear algebra, determine the values of xy, and z such that. E *51-12 12 ii. Do the following problems first by hand using the principles of linear algebra then verify your by hand results by writing a MATLAB Script HW4P1.m. Let your answers from the script file to be displayed in the command window. 1. (12 pts) IFA = ( 4) and B = 1.5? 3), determine: a) A+B", b) 2AT - B, c) AT (A - B). d) AB-1 12 7), D = 0 13 1 2 -1 ), determine 1 2. (15 pts) If C =(5-6 e) CD f) DC g) (DCE, h) (CD)E, and i) E