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in Sets, Relations and Functions by (30.2k points)
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If A and B are two sets such that A ⊂ B, then Find: 

A ∪ B

1 Answer

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Best answer

A ∪ B means A union B. All elements of A and B come in this set. 

Given 

A ⊂ B 

i.e. B is having all elements including elements of A. 

∴ A ∪ B = B.

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