If 
and 
are such that 
is perpendicular to 
then find the value of λ.
⇒
Since 
⇒
= 0
⇒
⇒(2 - λ)×3 + (2 + 2 λ)×1 = 0
⇒6 + 2 - 3 λ + 2 λ = 0
⇒ λ = 8
Ans: λ = 8
1
If and are such that is perpendicular to then find the value of λ.
⇒
Since
⇒ = 0
⇒
⇒(2 - λ)×3 + (2 + 2 λ)×1 = 0
⇒6 + 2 - 3 λ + 2 λ = 0
⇒ λ = 8
Ans: λ = 8