JEE MAIN - Mathematics Bengali (2022 - 25th June Evening Shift - No. 1)
ধরো $$A = \left\{ {x \in R:\left| {x + 1} \right| < 2} \right\}$$ এবং $$B = \left\{ {x \in R:\left| {x - 1} \right| \ge 2} \right\}$$ তবে নিচের কোনটি সত্য নয় ?
$$A - B = \left( { - 1,1} \right)$$
$$B - A = R - \left( { - 3,1} \right)$$
$$A \cap B = \left( { - 3, - 1} \right)$$
$$A \cup B = R - \left( {1,3} \right)$$
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