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Problem 4. Let B = {V1, 02, 03} CR, where [3] [1] 01 = 12, 02 = 12103 = 1 [1] [2] 4.1. Show that the matrix A = (v1 V2 V3) E
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4) B-40, V., us}, -- (?),uz-(!),=( 9.2. Ar / 3 1 1 then det (A) = 3(2-2) - 1 (2-1) 41 (4-2) - -|t . . | 4s . A is invertible

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