Find `vecaxxvecb` if `veca=i+hatk` and `vecb=hati+hatj+hatk`.

Explanation

To find the cross product of vectors \(\vec{a}\) and \(\vec{b}\), we can use the determinant method. Let's break it down step by step.

### Given:
\[ \vec{a} = \hat{i} + \hat{k} \]
\[
\vec{b} = \hat{i} + \hat{j} + \hat{k}
...