Consider the following arrays. A = 1 4 2 2 4 100 7 9 7 3 42 B=ln(A) Write MATLAB expressions to do the following. a- Select just the second row of B. b- Evaluate the sum of the second row of B. c- Multiply the second column of B and the first column of A. d- Evaluate the maximum value of the vector resulting from element-by-element multiplication of the second column of B with the first column of A.