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Let A = { 1 , { 2 } , { 3 } , {}} and B = {{ 1 , { 2 }} , 3 , { 2 }} . Find (a) A ∪ B ; (b) A ∩ B ; (c) A \ B (or A − B ); (d) | A | , | B | .

  1. Let A = {1, {2}, {3}, {}} and B = {{1, {2}}, 3, {2}}. Find

    (a) AB; (b) AB;

    (c) A\B (or AB); (d) |A|, |B|.

Grade:12

2 Answers

Arun
25750 Points
4 years ago
Dear student
 
AU B = { 1,{2}, {3} , {}, {1, {2}} ,3 }
A intersection B = {{2}}
 
Hope it helps
 
In case of any difficulty, please feel free to ask again

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