VECTORS 1A

Write (5,6) in terms of i and j.

Solution

= (5,6)

= (5,0) +  (0,6)

= 5(1,0) +  6(0,1)

= 5i + 6j   [since (1,0)=i and (0,1=j)

Hence (5,6) = 5i +  6j  

TRY THIS……………………..

Write (8,16) in terms of i and j.