Section 3.1 1. Use a cofactor expansion to compute the following determinants. 2-1 0 -1 2-1 0 2 -1 0 -1 2 3 (a) 2 0 0 3 5 4 2 -1 1 3 5 1 1 42 (b) 2 3 O 1 0 1 -1

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A: Question (a) asked and answered.

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Q: h(x) = 1 (x-2)3

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Q: 1. Determine if the set {(1, -2, 3), (7, 4, -2), (3, -6, 9)} is linearly dependent.

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A: (a) Step size 1 I=∫-22∫00.5ex+e-xdydx =∫-22y00.5ex+e-xdx =∫-22ex+e-x2 dx Therefore h=1…

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A: Since there are many sums, therefore find here the solution of part (a).

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