Find the value of λ if the vectors 
and 
are perpendicular to each other.
Let 
and 
for 
to be perpendicular to 
i.e. 
[vector dot product]
6+2λ-12=0
2λ-6=0
Hence, λ=3
1
Find the value of λ if the vectors and are perpendicular to each other.
Let and
for to be perpendicular to
i.e. [vector dot product]
6+2λ-12=0
2λ-6=0
Hence, λ=3