Mark the correct alternative in each of the following:
If the vectors 
are perpendicular, then λ is equal to
We have,
=
+
+
=
-
+8
Given that 
and
are perpendicular
.
=0
.
=0
6-
+8=0
Ans.
1
Mark the correct alternative in each of the following:
If the vectors are perpendicular, then λ is equal to
We have,
=++
=-+8
Given that and are perpendicular
.=0
.=0
6-+8=0
Ans.