Math, asked by pranavrai54321, 5 months ago

3) If A and B are sets and
1 point
AUB= An B then which of the following
is(are) true?
Either one of A or B is empty set
B is proper subset of A.
A= B
A is proper subset of B

Answers

Answered by Chahatxx

1

Answer:

A is proper subst of B.

Step-by-step explanation:

because A is written at first place and AuB =AnB shows that A is a subset of B as B contains all the elements of A.

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