1) a + b = (1 + 1; 2 + 1) = (2; 3)2) a - b = (1 - 1; 2 - 1) = (0; 1)3) 2a = 2 (1; 2) = (2; 4)4) 3c = 3 (2; 4) = (6; 12)5) 2d = 2 (2; 4) = (4; 8)6) 2b = 2 (1; 1) = (2; 2)7) 3b = 3 (1; 1) = (3; 3)8) -4n + c = -4 (3; 4) + (2; 4) = (-12; -16) + (2; 4) = (-10; -12)
1) a + b = (1 + 1; 2 + 1) = (2; 3)
2) a - b = (1 - 1; 2 - 1) = (0; 1)
3) 2a = 2 (1; 2) = (2; 4)
4) 3c = 3 (2; 4) = (6; 12)
5) 2d = 2 (2; 4) = (4; 8)
6) 2b = 2 (1; 1) = (2; 2)
7) 3b = 3 (1; 1) = (3; 3)
8) -4n + c = -4 (3; 4) + (2; 4) = (-12; -16) + (2; 4) = (-10; -12)