Enter the following 3 matrices into Matlab, -18 37 27 -12 22 -43 -33 -37 42 32 36 18 35 -48 20 14 B- -17 6 C- 12 -38 31 -23 16 -11 -42 -41 -18 2 -34 -21 39 27 -32 To check that you have correctly entered these matrices into Matlab, verify that -16356 29144 -15440 5360 -63412 36384 9680 -115048 A"CB - and that tr (4"CB) - 90313. 48172 66806 28200 17954 49247 -54913 16680 42085 (a) Let D= CBAT. Find day (i.c. find the entry in row 4, column 3 of the matrix D) (b) Let E- AB'CT, Find tr (E) (e) Let F be the reduced row echelon form of 4'Ca. Find f1a. (ie, find the entry in row 1, column 4, of the reduced row echelon form of A'CB). Problem Ka Problem (D) Problem 3(e)