# Linear Algebra: Row Reduced Echelon Form

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Calculate the reduced row echelon form of the following matrices. Approximate answers should be entered to at least 4 decimal places. (You can also enter fractions such as 5/4).

a) (1 2)

(3 4)

b) (1 2 3)

(3 4 9)

c) (3 1 0 4)

(1 5 2 1)

(2 2 4 2)

(2 -4 -2 3)

(3 7 6 3)

https://brainmass.com/math/linear-algebra/linear-algebra-row-reduced-echelon-form-162012

#### Solution Summary

Matrices are subjected to Gaussian elimination and put into RREF.

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