Question: Is this correct? I don't see why removing the 4 in Row 1 is relevant. If reduced echelon form is the goal, wouldn't the 3

Is this correct? I don't see why removing the 4 in Row 1 is relevant. If reduced echelon form is the goal, wouldn't the 3 need to be removed as well?

Is this correct? I don't see why removing the 4 in Row

Now, the next pivot column is the third column, and '1' is in the pivot position, so con zero Apply the row operations: add -4 times second row to first row. TO 3 4 7] [O 30-5] Lo o 1 3] Lo o 13] This is in reduced echelon form, and the corresponding system of equations is, x. +3x = -5 So. x, =3. and let x, be 1. then, x = -5-31 Therefore, the general solution of the given system is, 5 = 31 ==5=3x, a free variable or B.x, is free

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