Question

A={1,-1,2,3), which is true
1. 1eA
2. 1=A
3. 1 CA
4. 4eA​

Answer 1

Answer:

1. 1eA

Step-by-step explanation:

hello

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I have given you the answer

Answer 2

Step-by-step explanation:

1cA

i.e 1 is subset of A

hope u may understand