Simple Vectors Question?
OABC is a trapezium and #vec(CB)# = m#vec(OA)# . Relative to O, the position vectors of A and B are a and b respectively. Express the position vector of C in terms of m, a and b.
OABC is a trapezium and
1 Answer
Mar 19, 2018
Explanation:
#vec(OC)=vec(OB)+vec(BC)#
#["note that "vec(BC)=-vec(CB)]#
#rArrulc=ulb-vec(CB)#
#rArrulc=ulb-m ula#
