Write the system in vector matrix form: 21 4 e 21 3e 21 -e -4 e* 21 21 b) О x' 3e -4 e" X, 1 x 3e 4 e" 1 3 21 x' -4 1 -4 e 3 3e 1 1 -4 X2 -4 e* f) None of the above. ()

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