Укажите пары коллинеарных векторов, если \(\vec{a}\) \(2; \- 4\), \(\vec{b}\) \(\- 3; 1\), \(\vec{c}\) \(\- 6; 12\), \(\vec{d}\) \(\- 1; 3\).

• \(\vec{a}\) и \(\vec{c}\)
• \(\vec{a}\) и \(\vec{b}\)
• \(\vec{b}\) и \(\vec{d}\)