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

What is hati . ( hatj xx hatk) ?

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

Find the value of p, if the vectors hati - 2hatj + hatk , 2hati - 5hatj + phatk and 5hati - 9hatj + 4hatk are coplanar .

Find the value of a for which the vectors 3 hati + 3hatj + 9 hatk and hati + a hatj +3 hatk are parallel.

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

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

Find the value of |(3hati+hatj)xx(2hati-hatj)|

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