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Linear Algebra

Write a vector equation that is equivalent to the given system of equations x2 + 3x3 =0 5x1 + 8x2- x3 = 0 -4 + 4x2-7x3 :0 Choose the correct answer below 4 4 O C. x15 +X28+X30 4 4

Determine if b is a linear combination of a,, a2, and a2 4 4 48 28 Choose the correct answer below ○ A. Vector b is a linear combination of a1, a2, and a3 The pivots in the corresponding echelon matrix are in the first entry in the first column, the second entry in the ○ B. Vector b is a linear combination of a1, a2, and a3 The pivots in the corresponding echelon matrix are in the first entry in the first column, the second entry in the O C. Vector b is not a linear combination of a,, a2, and a second column, and the third entry in the fourth column second column, and the third entry in the third column ○ D. Vector b is a linear combination of a1, a2, and a3 The pivots in the corresponding echelon matrix are in the first entry in the first column and the second entry in the second column.

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