Let a2 az A = | b1 b2 b3 C1 C2 C3 Suppose that det(A) = 3. Find the determinant of the following matrix. a1 + 9b1 C1 8a1 + bị az + 9b2 C2 8a2 + b2 аз + 963 Сз 8az + b3

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A: We have to find the determinant

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Q: -3 Determinant of N = 1. -5 2. 7 3. 5 4. -7 4 3 1 0 2.

A: From the given problem:   N=-3-11-2   So,    N=-3-11-2   =-3×-2--1×1=6--1=6+1=7

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