1) a-b = (0;-2)
2) b+c = (2;5)
Объяснение:
1) a - b = (aₓ - bₓ; aᵧ - bᵧ) = (1 - 1; 0 - 2) = (0; -2)
2) b + c = (bₓ + cₓ; bᵧ + cᵧ) = (1 + 1; 2 + 3) = (2; 5)
1) a-b = (0;-2)
2) b+c = (2;5)
Объяснение:
1) a - b = (aₓ - bₓ; aᵧ - bᵧ) = (1 - 1; 0 - 2) = (0; -2)
2) b + c = (bₓ + cₓ; bᵧ + cᵧ) = (1 + 1; 2 + 3) = (2; 5)