Q20 of 138 Page 24

If and are such that is perpendicular to then find the value of λ.

Given Data:








For this vector to be ⊥




3(-λ+2)+1(2λ+2)=0


-λ + 8 = 0


λ = 8


The value of λ is 8.


More from this chapter

All 138 →
18

If either or then But, the converse need not be true. Justify your answer with an example.

 19

Show that the vectors form a right angled triangle.

 21

Find the angles of a triangle whose vertices are A(0, -1, -2), B(3, 1, 4) and C(5, 7, 1).

 22

Find the magnitude of two vectors and having the same magnitude and such that the angle between them is 60o and their scalar product is 1/2.