The direction ratios of the diagonal of the cube joining the origin to the opposite corner are (when the 3 concurrent edges of the cube are coordinate axes)

Question

The direction ratios of the diagonal of the cube joining the origin to the opposite corner are (when the 3 concurrent edges of the cube are coordinate axes) (A) (2/√3) , (2/3) , (2/3)  (B) 1, 1 , 1 (C) 2 , - 2 , 1 (D) 1, 2 , 3

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Direction ratios of the given line ar (a,-0, a-0, a-0) or (n,n,1) where ’a’ n. The edge of the cube

Q. The direction ratios of the diagonal of the cube joining the origin to the opposite corner are (when the 3 concurrent edges of the cube are coordinate axes)

$\frac{2}{3}, \frac{2}{3}, \frac{2}{3}$

1, 1 , 1

2 , - 2 , 1

1, 2 , 3

Direction ratios of the given line ar (a,-0, a-0, a-0) or (n,n,1) where ’a’ n. The edge of the cube

Q. The direction ratios of the diagonal of the cube joining the origin to the opposite corner are (when the 3 concurrent edges of the cube are coordinate axes)

3​2​,32​,32​

1, 1 , 1

2 , - 2 , 1

1, 2 , 3

Direction ratios of the given line ar (a,-0, a-0, a-0) or (n,n,1) where ’a’ n. The edge of the cube

$\frac{2}{3}, \frac{2}{3}, \frac{2}{3}$