The vector `cosalpha\ cosbeta hat i+cosalpha\ sinbeta hat j+sinalpha hat k` is a a.null vector b. unit vector c. constant vector d. none of these

The vector (cos alpha cos beta)hat i+(cos alpha s in beta)hat j+(s in alpha)hat k is a a.null vector b.unit vector c.constant vector d.none of these

The vector (hat i +hat j) is a unit vector.

let vec a= ( hat i+ hat j+ hat k) then find the unit vector along this vector

let vec a= ( hat i+ hat j+ hat k) then find the unit vector along this vector

let vec a= ( hat i+ hat j+ hat k) then find the unit vector along this vector

Find λ if the vector λ (hat i+ hat j+ hat k) is a unit vector.

Find the resultant of vectors vec a= hat i- hat j+2 hat k and vec b= hat i+2 hat j-4 hat kdot Find the unit vector in the direction of the resultant vector.

Find the resultant of vectors vec a= hat i- hat j+2 hat k and vec b= hat i+2 hat j-4 hat kdot Find the unit vector in the direction of the resultant vector.

Find the resultant of vectors vec a=hat i-hat j+2hat k and vec b=hat i+2hat j-4hat k. Find the unit vector in the direction of the resultant vector.

Unit vector along the vector hat(i) + hat(j) + hat(k) is