The values of k for which ka→<a→ and ka→+12a→ is parallel to a→ holds true, are _______________.

The values of k for which ka→<a→ and ka→+12a→ is parallel to a

1.	The values of k for which ka→<a→ and ka→+12a→ is parallel to a→ holds true, are _______________.
Answer» The values of k for which $\|k \vec{a}\| < \|\vec{a}\| and k \vec{a} + \frac{1}{2} \vec{a}$ is parallel to $\vec{a}$ holds true, are _______________.