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Mathematics
Mathematics
Problem
7. Using properties of sets, show that (i)
A
∪
(
A
∩
B
)
=
A
\mathrm{A} \cup(\mathrm{A} \cap \mathrm{B})=\mathrm{A}
A
∪
(
A
∩
B
)
=
A
(ii)
A
∩
(
A
∪
B
)
=
A
\mathrm{A} \cap(\mathrm{A} \cup \mathrm{B})=\mathrm{A}
A
∩
(
A
∪
B
)
=
A
.
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