What is the unit vector perpendicular to the following vectors 2i^+2j^−k^ and 6i^−3j^+2k^?

A→=2i^+2j^−k^ and B→=6i^−3j^+2k^C→=A→×B→=(2i^+2j^−k^)×(6i^−3j^+2k^)=i^j^k^22−16−32=i^−10j^−18k^ Unit vector perpendicular to both A→ and B→=i^−10j^−18k^12+102+182=i^−10j^−18k^517