Question

Find the value of lamda the vectors a=2i-3lamda+k and b=i-j-2k are perpendicular to each other

Answer 1

Step-by-step explanation:

We know that,

if two vectors are perpendicular, their dot product is zero.

So, a•b=0.

2(1)-3lamda(-1)+1(-2)=0

2+3lamda-2=0

3lamda=0

lamda=0

Thank you