Question: Please help! show work please 1. fDetermine if each matrix is in echelon form (REF), reduced echelon form (RREF), or neither. 130 ([001 1 00

Please help!

show work please

\fDetermine if each matrix is in echelon form (REF), reduced echelon form (RREF), or neither. 130 (\"[001 1 00 (b)[011] 0 01 Solve the system using Elementary Row Operation on an augmented matrix. DO NOT use calculator. In your solution, express \"fixed variables" in terms of \"free variables\". Rewrite the solution in vector form. x1+2x2+3X3+4x4= 2 3351 + 6.352 2X3 + X4 = _5

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