If are three vectors, find the area of the parallelogram having diagonals and
Given, and
We need to find area of the parallelogram with vectors and as diagonals.
Recall the area of the parallelogram whose diagonals are given by the two vectors and is where
Here, we have (a1, a2, a3) = (1, –3, 2) and (b1, b2, b3) = (–1, 2, 0)
Recall the magnitude of the vector is
Now, we find.
Thus, area of the parallelogram is square units.