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Operations with Matrices: In Exercises 9-16, if possible, find (a)
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Chapter 7 Solutions
College Algebra
- Operations with Matrices: In Exercises 9-16, if possible, find (a) A+B, (b) AB, (c) 3A, and (d) 3A2B. A=1221,B=3242arrow_forwardOperations with Matrices In Exercises 5-10, find, if possible, a A+B, b A-B, c 2A, d 2A-B, and e B+12A. A=32-1,B=-462arrow_forwardEXERCISES Let A=[2413] and B=[2136] a. Find AB. b. Find BA. c. Did you get the same answer in part a and part b. d. In general, for matrices A and B such that AB and both exists, does AB always equal to BA?arrow_forward
- Getting Ready You should be able to complete these vocabulary and concept statements before you proceed to the practice exercises. Fill in the blanks. Matrices A and B are multiplicative inverse if _____________.arrow_forwardOperations with Matrices In Exercises 7-12, perform the operations, given a=3, b=-4, and A=1234, B=01-12, O=0000. a-bA-Barrow_forward
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