Finding the Reduced Row Echelon Form of a Matrix

Algebra Level 4

A=[145640221] A = \left[ \begin{array}{ccc} 1 & 4 & -5 \\ 6 & 4 & 0 \\ 2 & 2 & -1 \\ \end{array} \right]

What is the sum of all the entries in rref(A)? \text{rref}(A)?

Note: rref(A)\text{rref}(A) stands for the "reduced row echelon form" of matrix A.A.

×

Problem Loading...

Note Loading...

Set Loading...