+ 4x4 4.x1 + 4x2 + 2x1 + 5x2 + 7x3 + 4x4 10x1 + 5x2 -2x1 12 1 5x3 25 - 2x2 + 3x4 = -10 - | The first norm of the coefficient matrix of the above system = 18 True false

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A:

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A: Here is the solution:

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A: See this solution in below.

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A:

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A: Define the term Coefficient matrix.

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