Question

The volume of the parallelopiped whose sides are given by OA = 2i – 3j, OB = i + j – k and OC = 3i – k is 

(a) 4/13 

(b) 4 

(c) 2/7 

(d) None.

Answer 1

Answer is (b) 4

Explanation:

V = [OA OB OC]

= 2 (–1 – 0) + 3(–1 + 3)

= – 2 + 6

= 4.