Answer to Question #59204 in Linear Algebra for RITA

Question

6 If A=2i−3j−k and B=i+4j−2k, find (A+B+×(A−B)
7 If A=3i−j+2k, B=2i+j−kand C=i−2j+2k, find (A×B)×C
8 Determine a unit vector perpendicular to the plane of A=2i−6j−3k and B=4i+3j−k
9 Evaluate (2i−3j)⋅[(i+j−k)×(3i−k)]
10 If A=i−2j−3k,B=2i+j−k and C=i+3j−2k,evaluate (A×B)⋅C