Question

vec a(3; - 4)
Знайти 2 vec a ; -3а;
1/2 vec a ;- 1/4 vec a .

Answer 1

Ответ:

2vec a = 2(3; -4) = (6; -8)

-3vec a = -3(3; -4) = (-9; 12)

1/2vec a = 1/2(3; -4) = (1.5; -2)

-1/4vec a = -1/4(3; -4) = (-0.75; 1)