Question

find the value of lemda in the unit vector 0.4^i +0.8^j lemda ^k​

Answer 1

Step-by-step explanation:

vectorA=.4i+.8j+lemda k

mod of A=√.16+.64+lamda square

given modA=1

1=√8.0+lembda square

1=8+lemda square

lembda square=-7

I. e. lemda=√7i