The angle between the pair of lines with direction ratios (1, 1, 2) and \[(\sqrt{3}-1,-\sqrt{3}-1,4)\] is [MP PET 1997, 2000]

The angle between the pair of lines with direction ratios

1.	The angle between the pair of lines with direction ratios (1, 1, 2) and \[(\sqrt{3}-1,-\sqrt{3}-1,4)\] is [MP PET 1997, 2000]
A.	\[30{}^\circ \]
B.	\[45{}^\circ \]
C.	\[60{}^\circ \]
D.	\[90{}^\circ \]
Answer» D. \[90{}^\circ \]

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The angle between the pair of lines with direction ratios (1, 1, 2) and \[(\sqrt{3}-1,-\sqrt{3}-1,4)\] is [MP PET 1997, 2000]

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