k = 3 * n + 4 * m при n{4; 2} m{ -6; 3}. k = (3 * nx + 4 * mx; 3 * ny + 4 * my) = (3 * 4 + 4 * (-6); 3 * 2 + 4 * 3) = (12 – 24; 6 + 12)= (-12; 18) h = -2 * n + 4 * m при n{ -5; 3} m{ -3; 4} h = (-2 * nx + 4 * mx; -2 * ny + 4 * my) = (-2 * (-5) + 4 * (-3); -2 * 3 + 4 * 4) = (10 – 12; -6 + 16)= (-2; 10).