9000101802

Level: 
Project ID: 
9000101802
Accepted: 
1
Clonable: 
0
Easy: 
1
Among vectors \(\vec{u} = \left (- \frac{2} {\sqrt{2}};2\sqrt{2}\right )\), \(\vec{v} = (-5;10)\), \(\vec{w} = (2.5;-5)\), \(\vec{r} = (-3.5;6)\) find the vector which is not parallel to the vector \(\vec{a} = (1;-2)\).
\(\vec{r}\)
\(\vec{w}\)
\(\vec{v}\)
\(\vec{u}\)