CGGO Q25

0. If (a, b, c) x (1, 3, 1) = (2, 1, 6), where x denotes the vector product, then (a, b, c) is given by

Answer
Comment
Array

Option : D
Explanation :

The determinant given above = (2, 1, 6)
It gives the three equations, b - 3 c = 2; c - a = 1; 3a - b = 6.
This system of equations, has no solution as using the second equation in the third gives b - 3c = -3, which contradicts the first.

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