Kunze Linear Algebra · Problem 1.2.3

Systems of Linear Equations

Mathematics — Methods · equivalent-linear-systems

Problem

Test the following systems of equations as in Exercise 2. −x1+x2+4x3=0x1+x2−x3=0-x_1 + x_2 + 4x_3 = 0 \qquad x_1 \phantom{{}+x_2} - x_3 = 0 x1+3x2+8x3=0x2+3x3=0x_1 + 3x_2 + 8x_3 = 0 \qquad x_2 + 3x_3 = 0 12x1+x2+52x3=0\tfrac{1}{2}x_1 + x_2 + \tfrac{5}{2}x_3 = 0

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