If vectors \(\vec{a}_1=x \hat{i}-\hat{j}+\hat{k}\) and \(\vec{a}_2=\hat{i}+y \hat{j}+z \hat{k}\) are collinear, then a p…

If vectors \(\vec{a}_1=x \hat{i}-\hat{j}+\hat{k}\) and \(\vec{a}_2=\hat{i}+y \hat{j}+z \hat{k}\) are collinear, then a possible unit vector parallel to the vector \(x \hat{i}+y \hat{j}+z \hat{k}\) is:

[JEE Main 2021, 26 Feb (Shift 2)]