Create three row vectors; a=[3-15 11-42], b=[7-9 2 13 1 -2], c=[24-7809] a) Use the three vectors in a MATLAB command to create a 3x6 matrix in which the rows are the vectors a, b and c. b) Use the three vectors in a MATLAB command to create a 6x3 matrix in which the rows are the vectors a, b and c. Editor screen; Command screen;