What is the identity used to verify the vectors \(\overline{a} \) = (1, 4, -7), \(\overline{b} \) = (2, -1, 4) and \(\overline{c} \) = (0, -9, 18) are coplanar?
1
\(\overline{a}\cdot{(\overline{b}\times\overline{c})} \) = 0
2
\(\overline{a}\cdot{(\overline{b}\cdot\overline{c})} \) = 0
3
\(\overline{a}\times{(\overline{b} \cdot\overline{c})} \) = 0
4
\(\overline{a}\times{(\overline{b}\times\overline{c})} \) = 0