Question

Write the value of λ so that the vectors a = 2 i + λ j + k and vector b = i - 2 j + 3 k are perpendicular to each other ?

Answer 1

Answer:

Step-by-step explanation:

a.b=0 (since vectors are perpendicular)

2-2p+3=0

2p=5

p=5/2

(p=lambda)