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KVPY SX SB Exam 2016 Question Paper

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Question : 6

Total: 120

Let O = (0, 0) ; let A and B be points respectively on x-axis and y-axis such that ∠OBA = 60º. Let D be a point in the first quadrant such that OAD is an equilateral triangle. Then the slope of DB is -

√3
√2
1
√2
1
√3

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