Math Problem Statement
On considère les ensembles A={x∈R∣2−x−−−−√∈R}A={x∈R∣2−x∈R} et B={x∈R∣|x−2|≤2}B={x∈R∣|x−2|≤2}. Parmi les propositions suivantes, cocher celles qui sont vraies.
Question 3Veuillez choisir au moins une réponse.
A=]−∞,2]A=]−∞,2].
B=]−∞,4]B=]−∞,4].
A∩B=]−∞,2]A∩B=]−∞,2].
A∪B=]−∞,4]A∪B=]−∞,4].
Solution
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Math Problem Analysis
Mathematical Concepts
Set theory
Absolute value
Interval notation
Formulas
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Theorems
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Suitable Grade Level
Advanced Mathematics
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