Question

1.(A')'=
2.(A-B)U(B-A)=
3.A={2,3,6,7},B={2,3,4,7} , then A-B=
4.A={3,4} B={0,1,3,4} AnB=
from sets please don't spam urgent ... please​

Answer 1

1.(A')' = complement of complement of A

so, (A')'= A

2. (A-B)U(B-A)= (A n B )'

3. A={2,3,6,7}, B={2,3,4,7}

so, A-B = {4}

4. A={3,4} , B={0,1,3,4}

so, A n B = {3,4}

please mark me as brainliest

Answer 2

Answer:

What problem you have

whom you are missing

Step-by-step explanation:

Sodium is stored in kerosene as it is a highly reactive metal. If it is kept in open air, it easily reacts with the oxygen and catches fire.