JEE Main 2012 Mathematics question

If x + |y| = 2y, then y as a function of x, at x = 0 is

Answer: (2)

Solution

For y ≥ 0: x = y; for y < 0: x = 3y. So y = x for x ≥ 0 and for x < 0. y is

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Question ID VK-103435