... hệ vectơ: α1= ( 0, 1, 0, 2 ), α2= ( 1, 1, 0, 1 ), α3= ( 1, 2, 0, 1 ), α4= (− 1, 0, 2, 1 ), β1= ( 1, 0, 2, 1 ), β2= ( 0, 3, 0, 2 ), β3= ( 0, 1, 3, 1 ), β4= ( 0, 1, 0, 1)trong không gian vectơ ... ( 1, 1, 0 ), ε2= ( 0, 1, 1 ), ε3= ( 1, 0, 1).b. α1= ( 2, 0, 3 ), α2= ( 5, 1, 7 ), α3= (− 1, 2, 1).c. β1= ( 0, 2, 3 ), β2= ( 3, 2, 1 ), β3= ( 3, 0, 2).d. γ1= (− 1, 2, 3 ), γ2= ( 2, 0, 1 ), ... 12 ), α2= ( 2, 1, 3, 1 ), α3= (− 2, 8, 1 6, 24 ), α4=( 1, 1, 2, 3).c. α1= ( 0, 0, 0, 0 ), α2= ( 1, 0, 1, 3 ), α3= (√33 , 0, √33 , √3).d. α1= ( 0, 3, 1 2, 3 ), α2= (3√ 2, √22,...