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2 2-1 Q1. Let A 3 1 3 and B 5 1 4. Find 1 02 a) detA b) detB c) detAB d) det3A e) detA2 ) detA-1 g) detAT 1 4 -3 2 Q2. Let A 1 2 1 2 lo 2 3 7 a) Use the elementary row operations to transform A to an upper triangular matrix. Find detA. b) Q3. Use a) Cramers rule and b) the inverse method to solve the following linear system: y- 2z 4 1 2 -1 1 3 1 Hint: 2 -1 14 2 3 2 -1 5 0 1 -2 Q4 Determine whether the set S is a subspace of IR2 a)aand b are real numbers and a + b0 b) Sl2:a is a real number)

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please experts solve thease questions quickly plz

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please experts solve thease questions quickly plz 2 2-1 Q1. Let A 3 1 3 and...
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