Question

17. For two sets A UB = A iff
(a) BCA
(b) Ac B
(c) AB
(c) A = B​

Answer 1

Answer:

(b) AcB

Step-by-step explanation:

if A is a subset of B then all the elements of A must be in B

such that AUB is a set which contains all the elements of set A.

Answer 2

Answer:

Option A is the right answer.

Step-by-step explanation:

Given:

A∪B=A

If B⊂A (B is contained in A), then, A∪B = A (Refer pic for reference.)

I hope it helps...

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