Write the value of λ so that the vectors 
and 
are perpendicular to each other.
Since these two vectors are perpendicular the dot product of these two vectors is zero.
i.e.:
= 0
⇒
⇒2 + λ×( - 2) + 3 = 0
⇒5 = 2 λ
⇒ λ = 5/2
Ans: λ = 5/2
1
Write the value of λ so that the vectors and are perpendicular to each other.
Since these two vectors are perpendicular the dot product of these two vectors is zero.
i.e.: = 0
⇒
⇒2 + λ×( - 2) + 3 = 0
⇒5 = 2 λ
⇒ λ = 5/2
Ans: λ = 5/2