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Hw6 - Math 1313 Homework 6 Section 2.5 Use the following...

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Math 1313 Homework 6 Section 2.5 1 Use the following information to answer questions 1 – 6. The following represent matrices and the dimension of each is also stated below. A is a matrix of size 4X2 B is a matrix of size 3X5 C is a matrix of size 7X2 D is a matrix of size 5X4 E is a matrix of size 5X3 1. The product AB is defined. a. True b. False 2. The product BD is defined. a. True b. False 3. The product DC is defined. a. True b. False 4. The product BE is defined. The dimension of the product is a. 1X1 b. 2X3 c. 3X5 d. 3X3 e. 5X5 f. None of the above. 5. The product EB is defined. The dimension of the product is a. 5X1 b. 5X3 c. 5X5 d. 3X3 e. 3X5 f. None of the above. 6. The product DA is defined. The dimension of the product is a. 5X2 b. 4X4 c. 2X5 d. 5X4 e. 4X2 f. None of the above.

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Math 1313 Homework 6 Section 2.5 2 7. The choices for problem number 8 from the book are given below. a. g4672 −7 35 g4673 b. g4672 −7 0 g4673 c. g4672 −1 0 g4673 d. g4672 −1 10 g4673 e. g4672 −1 35 g4673 f. None of the above. 8. The choices for problem number 13 from the book are given below. a. g4672 −2 4 12 6 g4673 b. g4672 2 9 5 16 g4673 c. g4672 2 9 12 6 g4673 d. g4672 2 −4 −4 16 g4673 e. g4672 2 9 11 12 g4673 f. None of the above. 9. The choices for problem number 36 from the book are given below. a. A= g4672 2 7 3 2 g4673, g1850=g4672 g1876 g1877
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