Math, asked by taneesha76, 7 months ago

irrelevant answers will be reported

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Answered by Anonymous

11

4.)

A={1,2,3,4}

AΠ∅ = {} null set....

A U A = {1,2,3,4} or A

Answered by SweetLily

7

Answer:

A U ∅= A

A intersection A = A

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