Vectorcalculus!! Help Needed B4 Tomorrow! NOTE: bold characters are vectors Could somebody please help me to show that: http://img259.imageshack.us/img259/8651/problem6dx.gif [Broken] and to proof: http://img403.imageshack.us/img403/6641/problem26dw.gif [Broken] I haven't had any explanations on vectors & determinants and my teacher asks me to solve this problem... I know how determinants work, but I don't know how to translate this to the vector problem above. Please help me!!! I need to finish this by tomorrow (just heard it today)!!!