Find the area of the parallelogram whose adjacent sides are given by the vectors `veca=3hati+hatj+4hatkandvecb=hati-hatj+hatk`.

Find the area of the parallelogram whose adjacent sides are given by the vectors veca=hati-hatj+3hatk and vecb=2hati-7hatj+hatk

Find the area of the parallel whose adjacent sides are represented by the vectors 3hati+hatj-2hatk and hati-3hatj+4hatk

Find the area of the triangle whose adjascent sides are determined by the vectors veca=-2hati-5hatk and vecb=hati-2hatj-hatk .

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

Find the area of a parallelogram whose diagonals are determined by the vectors bara=3 hati +hatj -2 hatk and barb=hati-3hatj+4hatk

Show that the area of the triangle whose two adjacent sides are determined by the vectors veca=3hati+4hatj, vecb=-5hati+7hatj is 20 1/2 square units.

Find the volume of a parallelopiped whose edges are represented by the vectors: veca =2hati-3hatj-4hatk, vecb=hati+2hatj-2hatk, and vecc=3hati+hatj+2hatk .

Find the angle between the vectors: vecA=hati-2hatj-5hatkandvecB=2hati+hatj-4hatk

Find the sine of the angle between the vectors veca=3hati+hatj+2hatkandvecb=2hati-2hatj+4hatk

Find |vecaxxvecb|,if veca=hati-7hatj+7hatkandvecb=3hati-2hatj+2hatk .