Elementary Linear Algebra 7th Edition

(a) The row vectors are $$u_1=(4,3,1),u_2=(1,-4,0).$$ (b) The row vectors are $$v_1=(4,1),v_2=(3,-4),v_3=(1,0).$$
(a) The row vectors are $$u_1=(4,3,1),u_2=(1,-4,0).$$ (b) The row vectors are $$v_1=(4,1),v_2=(3,-4),v_3=(1,0).$$