The position vectors OA-, OB- and OC- are i+2j-3k, 4i- 5j+6k and 3i+2j-k respectively, cross product AB- XBC- Select one: ○ -14i-12j-14k ○ 3i-2j-k ○ 2i-4j-3k ○ 2i+4j-3k ​