Angle between diagonals of a parallelogram whose side are represented by `veca=2hati+hatj+hatk` and `vecb=hati-hatj-hatk`

Find the area of a parallelogram whose adjacent sides are veca=2hati-hatj+3hatk and vecb=hati-hatj+hatk

Determine the area of a parallelogram whose adjacent sides are represented by the vectors : veca=hati-hatj+3hatk and vecb=2hati-7hatj+hatk .

Find the area of the parallelogram whose adjacent sides are veca=3hati+hatj+4hatk and vecb=hati-hatj+hatk

find the area of a parallelogram whose diagonals are veca=3hati+hatj-2hatk and vecb=hati-3hatj+4hatk .

find the area of a parallelogram whose diagonals are veca=3hati+hatj-2hatk and vecb=hati-3hatj+4hatk .

Find the area of the parallelogram whose diagonals are veca=hati+2hatj+3hatk and vecb=-3hati-hatj+hatk