Answer to Question #59201 in Analytic Geometry for RITA

Question

2 Given that A1=3i−2j+k,A2=2i−4j−3k,A3=−i+2j+2k, find the magnitudes of 2A1−3A2−5A3
3 Given that A1=2i−j+k,A2=i+3j−2k,A3=3i+2j+5kand A4=3i+2j+5k,Find scalars a, b, c suchthat A4=aA1+bA2+cA3
5 A car travels 3km due north, then 5km northeast. Determine the resultant displacement
6 If A1=3i−j−4k, A2=−2i+4j−3k,A3=i+2j−k, find |3A1−2A3+4A3|