Let A- x - x - R-1- x- 1 and B- x -x - R- - x - 1 Are the sets A and B equal -

Given A={ x : x ϵ R, 1≤ x≤ 1 } #160; ⇒ A= [ 1,1] Given B={ x :x ϵ #160;R, | x |≤ 1 } B={ x : x ϵ R, 1≤ x≤ 1 } #160; #160; ...

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Equal Sets

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Question

Let $A = {x : x ϵ R, - 1 \leq x \leq 1}$ and $B = {x : x ϵ R, | x | \leq 1}$ Are the sets A and B equal ?

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Solution

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