Find the vector product (a X b) of the two given vectors: a = 2i + 3j + 4k, b = 3i + 5j. Here, i, j & k are unit vectors along three mutually perpendicular axes.
A. -20i + 12j + k
B. 10i + 6j + 1/2k
C. 20i – 12j – k
D. 10i – 6j -1/2k
Answer:A
Find the vector product (a X b) of the two given vectors: a = 2i + 3j + 4k, b = 3i + 5j. Here, i, j & k are unit vectors along three mutually perpendicular axes.
A. -20i + 12j + k B. 10i + 6j + 1/2k C. 20i – 12j – k D. 10i – 6j -1/2k