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Mathematics
Mathematics
Problem
10. If
X
=
{
a
,
b
,
c
,
d
}
\mathrm{X}=\{a, b, c, d\}
X
=
{
a
,
b
,
c
,
d
}
and
Y
=
{
f
,
b
,
d
,
g
}
\mathrm{Y}=\{f, b, d, g\}
Y
=
{
f
,
b
,
d
,
g
}
, find (i)
X
−
Y
\mathrm{X}-\mathrm{Y}
X
−
Y
(ii)
Y
−
X
\mathrm{Y}-\mathrm{X}
Y
−
X
(iii)
X
∩
Y
\mathrm{X} \cap \mathrm{Y}
X
∩
Y
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