the area is |vxw|
recall that axb is perpendicular to both a and b
Find the area of the parallelogram determined by the vectors v and w where v=2i+3k and w=2j-3k. Area?
If a=i+1j+k and b=i+5j+k, find a unit vector with positive first coordinate orthogonal to both a and b. _i+_j+_k?
1 answer
1 answer