Question

Stiind ca A={x € Z/6 supra x € Z} si B={x € Z/-3 < sau egal decat x< 2} aflati A intersectat cu B.

Answer 1

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Answer 2

$\frac{6}{x}\in\mathbb{Z}\Rightarrow x\mid6$
$x\in\{1,2,3,6,-1,-2,-3,-6\}$
$A=\{1,2,3,6,-1,-2,-3,-6\}$
$-3\leq x<2\Rightarrow x\in\{-3,-2,-1,0,1\}$
$B=\{-3,-2,-1,0,1\}$
$\boxed{A\cap B=\{1,-1,-2,-3\}}$