joelalexjohn9 joelalexjohn9
  • 22-05-2020
  • Mathematics
contestada

What is n(A) and n(B) in sets lesson? ​

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Miatta
Miatta Miatta
  • 25-05-2020

Answer:

Set membership x ∈ X means x is an element of the set X. ... The set of natural numbers N has elements 0,1,2,3,.... Intersection X ∩ Y is defined by: x ∈ X ∩ Y if and only if x ∈ X and x ∈ Y .

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