MATH 1160 Midterm: Math 116 Test 2 Fall 2015
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Test 2: this is a 60 minute test. Do not start until instructed: please ll out your personal details on the cover of the examination booklet(s). If you use more than one booklet, please indicate how many you use, e. g. 1 of 3 , 2 of 3 , 3 of 3 on each booklet: you may quote results from lecture notes without proof, unless asked to do other- wise. But notes or books are not permitted during the exam: give su cient working as solutions with no justi cation will receive little or no credit, you may use a calculator, but not a graphing calculator" that supports matrix algebra. 1. (9 points) (a) compute the following determinant by applying elementary row and/or column operations to reduce the determinant to triangular form: Clearly show all the steps in your calculation. (b) for square matrices a, b and c such that |a| = 2, |b| = 3 and |c| = 4 nd.
