If the point ( , ) does not fall in that angle between the lines y=|x-1| in which the origin lies then belongs to

JEE Advanced Mathematics question

If the point does not fall in that angle between the lines in which the origin lies then belongs to

(A)
(B)Correct
(C)
(D)none of these

Answer: (B)

Solution

The lines are and , meeting at . The origin lies in the angle to the **left** of the vertex, i.e. the region . The point lies on the unit circle; the two lines meet the circle at , and (chords of the circle).

The point is *not* in that angl

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Question ID VK-108817