Question: 6. In each case, perform the indicated operation. a. In C*, (7 + 5i)(-3 + 2i) [7 47 b. In GL(2, Z13), det 1 5

6. In each case, perform the indicated operation. a. In C*, (7 + 5i)(-3 + 2i) [7 47 b. In GL(2, Z13), det 1 5 [6 37 -1 c. In GL(2, R), 8 2 12 17 -1 d. In GL(2, Z7), 1 3

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