Let Then where a11 = , a31 = , a12 = -1/9 , a32 = 1/9 1 +-679 A = 1 1 A-¹ = , a13 = 0 a11 a12 a13 a21 a22 a23 a31 a32 a33 , a33 = , a21 = , a22 = , a23 =

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Q: (0.061)x (0.43)

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