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5 Jun 2018
3. Consider the system of equations represented as the matrix equation, AT = b[12 marks]. (a) Use the method of inverses to solve the system of equations, and clearly show your answer: 5.0 – 2y = 1 -4.x + 2y = 2 (b) If A-1 = [14-11 11 2 O 3 , and 5 = | 2 ), then evaluate . Clearly show your answer. [ 7 2 1] (c) If 4-1 - 2 31 1 2 , and b then what is the ORIGINAL system of equa- tions?
3. Consider the system of equations represented as the matrix equation, AT = b[12 marks]. (a) Use the method of inverses to solve the system of equations, and clearly show your answer: 5.0 – 2y = 1 -4.x + 2y = 2 (b) If A-1 = [14-11 11 2 O 3 , and 5 = | 2 ), then evaluate . Clearly show your answer. [ 7 2 1] (c) If 4-1 - 2 31 1 2 , and b then what is the ORIGINAL system of equa- tions?
Deanna HettingerLv2
5 Jun 2018
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