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Se considera multimile: A={x∈R|-√3∠x≤2} si B={x∈R|-√5≤x∠4}

a)Scrieti multimile A si B sub forma de interval.
b)Determinati multimile:C={x∈R|x∈ A si x∈B} ; D={x∈R| x∈A sau x∈B

Am nevoie urgent!!!!! pls dau coroana


Răspuns :

a)A=(-√3;2] ,B=[-√5;5)
b)C={-√3,-√2,-1,1,2}, D={-√5,-√4,-√3,-√2,-1,1,2,3,4}