Program matematika / Mathematics program:
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Sumber asli / Authoritative original
Jawaban
A.6.1
.
\(\bigcup_{n\geq1}A_n=\Z^+\)
dan
\(\bigcap_{n\geq1}A_n=\{1\}\text{.}\)
Maka
\((\bigcup A_n)^c=\Z\setminus\Z^+=\bigcap A_n^c\text{,}\)
serta
\((\bigcap A_n)^c=\Z\setminus\{1\}=\bigcup A_n^c\text{.}\)
in-context