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The angle between two lines having direction ratios 1, 1, 2 and (√3 - 1), (-√3 - 1), 4 is A. π/6 B. π/2 C. π/3 D. π/4

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The angle between two lines having direction ratios 1, 1, 2 and (√3 - 1), (-√3 - 1), 4 is

A. π/6

B. π/2

C. π/3

D. π/4

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1 Answer

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Best answer

Correct option is C. π/3
Let 

α = 60°

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