Question

помогите номер 10 номер

Answer 1

1) a - b = (8; -1; 5) - (-2; 3; -2) = {8-(-2); -1-3; 5-(-2)} = (10; -4; 7)
2) a - b = (0; 0; 0) - (2; -3; 4) = {0-2; 0-(-3); 0-4} = (-2; 3; -4)