Question: Question 2 Solve the following integer problems: (a) What is the greatest common divisor and the least common multiple of a 102 and b-104 respectively?

Question 2 Solve the following integer problems: (a) What is the greatest common divisor and the least common multiple of a 102 and b-104 respectively? (b) What is a mod b, where a =-61 and b = 20? (b) Convert decimal integer 129 into a binary integer. Question 3 Solve the following matrix problems (a) There are three matrices A5x15-Biss-C816 . Let D = A B, E = B x C and F = 4x B x C. How many rows and columns in D, E, and F, respectively? (b) Find two matrices A and B of each with two rows and two columns such that BA AB. Also show what are AB and BA, respectively

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