Question
Engineering Mathematics Question on Vector Calculus
Vectors a = 2i+3j-4k and b = 4i+2j+3k represent the two adjacent sides of a triangle. The magnitude of the area of the triangle and the unit vector perpendicular to both a and b respectively, are
A
28.93 and 0.58i - 0.76j – 0.27k
B
28.93 and 17.0i - 22.0j - 8.0k
C
14.46 and 0.58i - 0.76j -0.27k
D
14.46 and 17.0i-22.0j- 8.0k
Answer
14.46 and 0.58i - 0.76j -0.27k
Explanation
Solution
The correct option is (C): 14.46 and 0.58i - 0.76j -0.27k