JEE Main 2022 Mathematics question

Let A = {x ℝ : |x + 1| < 2} and B = {x ℝ : |x − 1| 2}. Then which one of the following statements is NOT true ?

Answer: (2)

Solution

A = (−3, 1) and , −1] [3, ). So A − B = (−1, 1) (true), , −3] [3, ) = ℝ − (−3,

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Question ID VK-024894