Construct a string with 9 randomly selected characters whose ascii code are between 65 and 90. Sort this string in alphabetical order with a function called sortArray. Two sample outputs are the following:

Problems 1-10 use the big formula with n ! terms: A=a1a2an. Every term uses each row and each column once. 1 Compute the determinants of A.B,C from six terms. Are their rows independent? A=133212321B=145246347C=111110100