The range of values of m for which the line y = mx + 2 cuts the circle x^2 + y^2 = 1 at distinct or coincident points is

JEE Advanced Mathematics question

The range of values of for which the line cuts the circle at distinct or coincident points is

Answer: (A)

The line meets the circle (in two distinct or coincident points) iff the perpendicular distance from the centre to

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Question ID VK-108934