

MCQOPTIONS
Saved Bookmarks
1. |
There are 6 vectors: a, b, c, d, e, f. Simply the following expression: [ a(b . c) X (e . f)d ] X [ a d ]. X represents cross product while . represents dot product. Vectors a & d are perpendicular. |
A. | 0 |
B. | <strong>(b . c)(e . f) [ d + a ]</strong> |
C. | <strong>(b . c)(e . f) [ d a ]</strong> |
D. | <strong>(b . c)(e . f) [ d X a ]</strong> |
Answer» C. <strong>(b . c)(e . f) [ d a ]</strong> | |