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Question Number 154407 by aaaspots last updated on 18/Sep/21

H o w t o d o i t b y \subset a n d \supset ?

Commented by aaaspots last updated on 18/Sep/21

Commented by puissant last updated on 20/Sep/21

1)

\underset{x \in [0; 1]}{\cup} [x - 1; x + 1] = [- 1; 1] \cup [0; 2] = [- 1; 2]

2)

\underset{x \in [0; 1]}{\cap} [x - 1; x + 1] = [- 1; 1] \cap [0; 2] = [0; 1] .