Angle between diagonals of a parallelogram whose side are represented by `vec a= 2 hat i + hat j+hat k` and `vec b = hat i- hat j-hat k`

The area of a parallelogram whose adjacent sides are represented by the vectors vec a = 2 hat i + hat j +3 hat k and vec b = hat i- hat j is

Find the volume of a parallelopiped whose edges are represented by the vectors vec a = 2 hat i -3 hat j -4 hat k and vec b = hat i +2 hat j - hat k and vec c = 3 hat i + hat j + 2 hat k .

Find the area of a parallelogram whose adjacent sides are vec a = hat i + 2 hat j + 3 hat k and vec b = - 3 hat i - 2 hat j + hat k .

Find the angle between the vectors vec a= hat i+hat j-hat k and vec b=hat i-hat j+hat k

Find the angle between the vectors vec a= hat i+hat j-hat k and vec b=hat i-hat j+hat k

Find the area of a parallelogram whose adjacent sides are given by the vectors vec a=3 hat i+ hat j+4 hat k and vec b= hat i- hat j+ hat k .

Find the area of the parallelogram whose adjacent sides are given by vectors vec a= 3 hat i+ hat j+ 4 hat k and vec b= hat i- hat j+ hat k .

Find the area of a parallelogram whose adjacent sides are given by the vectors vec a=3 hat i+ hat j+4 hat k and vec b= hat i- hat j+ hat k .

Find the unit vector in the direction of diagonal of the parallelogram whose sides are given by the vectors vec a= 2 hat i- hat j-3hat k', vec b=5 hat i+2hat j- hatk

Find the area a parallelogram whose diagonals are vec a=3 hat i+ hat j-2 hat k and vec b= hat i-3 hat j+4 hat kdot