List of top Mathematics Questions on Addition of Vectors asked in SRMJEEE

A unit vector coplanar with \(\overrightarrow{i}+\overrightarrow{j}+2\overrightarrow{k}\) and \(\overrightarrow{i}+2\overrightarrow{j}+\overrightarrow{k}\) and perpendicular to \(\overrightarrow{i}+\overrightarrow{j}+\overrightarrow{k}\) is