Find the value of `|hatixx(hati+hatj+hatk)|`

Find the value of |(hati+hatj)xx(hati+2hatj+hatk)|

Find the value of |-hati|+|hatj|+|-hatk|=?

Calculate the values of (i) hatj. (2hati - 3hatj +hatk) and (ii) (2hati - hatj) (3hati + hatk)

Write the value of (hatk X hatj).(hati+hatj+hatk)

Find the values of x for which x(hati+hatj+hatk) is a unit vector

Find the value of p if (2 hati + 6 hatj + 27 hatk )xx (hati+ 3 hatj + p hatk) = vec0

If hati, hatj and hatk are three mutually perpendicular vectors, then find the value of hatj. (hatkxx hati).

Find the value of m so that the vector 3 hati - 2hatj +hatk is perpendicular to the vector. 2hati +6hatj +m hatk .