Дан вектор \(\displaystyle \overrightarrow {a} (4;6)\small.\) Найдите координаты вектора \(\displaystyle -\frac{1}{2}\overrightarrow {a}\small.\)

Координаты вектора \(\displaystyle -\frac{1}{2}\overrightarrow {a}{:}\)

\(\displaystyle (\)[ ]\(\displaystyle ;\)[ ]\(\displaystyle )\)