The altitude of a parallelepiped whose three coterminous edges are vectors ( vec A = hat i + hat j + hat k ‚ vec B = 2 hat i + 4 hat j − hat k quadand quad vec C = hat 1 + hat J j + 3 hat k , w i t h vec A quadand quad vec B ) as sides of the base of the parallelepiped is-
1.
IUT 20-21