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Test 3 Solutions

Test 3 Solutions - Test 3 MATH1104 Solution Fall 2009 Last...

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Unformatted text preview: Test 3 MATH1104 Solution , Fall, 2009 Last name: First name: Student no.: ———————————————————————————————————— 1-[6 marks]: Which of the following sets is(are) subspace of R 3 ? Circle it (them). A = a ,a ∈ R B= 1 1 a ,a ∈ R C = a b c ,c = a + b D= a b c ,c = a + b + 1 E = a 2 a 3 a ,a ∈ R Each one of A, C or E has 2 marks. 2-[4 marks]: Let A be a 5 × 7 matrix such that dimCol A = 4. What is dimNul A ? (a) (b) 1 (c) 2 (d) 3 (e) 4 3-[4 marks]: Let B = { v 1 , v 2 } be a basis for a subspace H , and let x = 3 v 2- v 1 ....
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Test 3 Solutions - Test 3 MATH1104 Solution Fall 2009 Last...

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