Assignment 5 - Professor Jason Levy, University of Ottawa,...

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Professor Jason Levy, University of Ottawa, MAT 1332C, Winter 2011 Assignment 5, due Wednesday March 16, 8:30am at the beginning of class. Late assignments will not be accepted; nor will unstapled assignments. Student Number DGD section By signing below, you declare that this work was your own and that you have not copied from any other individual or other source. Signature Student Name 1. For the system of linear equations x + 3 y + 9 z = 3 2 x + 7 y + 23 z = 2 x + ay + a 2 z = a (a) determine the values of a for which the system has (i) no solution, (ii) infinitely many solutions, (iii) a unique solution. (b) In case (ii) above describe all solutions. (c) If a = 1 find the inverse of the matrix A = 1 3 9 2 7 23 1 a a 2 2. Your doctor has asked you to take 5 units of vitamin A, 13 units of vitamin B and 23 units of vitamin C every day. There are three brands available in your local pharmacy which contain the following units of vitamins A, B, C as indicated. vitamin A vitamin B vitamin C
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Assignment 5 - Professor Jason Levy, University of Ottawa,...

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