Find the area of the parallelogram whose diagonals are `3 hati + hatj - 4 hatk and hati - 3 hatj + 2 hatk.`

Find the measure of the angle between the vectors 3 hati + 2 hatj + 2hatk and 2 hati - hatj - 2 hatk .

Find the area of a parallelogram having diagonals given by the vectors veca = 3hati+ hatj- 2hatk, vecb = hati - 3 hatj + 4hatk .

What is unit vector along 2 hati - 3hatj +6 hatk ?

Find the acute angle between the planes whose vector equations are vecr. (2 hati + 2 hatj - 3 hatk)= 5 and vecr. (3 hati - 3 hatj + 5 hatk) = 3.

Find unit vectors perpendicular to the vectors 2hati - 3hatj + 4hatk and 4hati - hatj - 2hatk .

Find | veca xx vecb| where veca = 3 hati - hatj + 2 hatk and vecb = 2 hat i + 3 hatj - 4hatk.

What is the angle between vectors veca = hati - hatj + hatk and vecb = hati + hatj - hatk ?

Find a unit vector which is perpendicular to both the vectors 2hati + hatj - hatk and 3hati + 4hatj - hatk .