Math, asked by akshayasahoo95600, 8 hours ago

9. If A' U B = U, then show that ACB.

Answers

Answered by itzbhavesh282

0

If x is in A the x is also in B so x is in A&B

If x is not in A then x is not in A&B.

Therefore x is in A iff x is in A&B => A=A&B.

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