Odpowiedź:
[tex]a_{n} = 5n-47\\\\a_{n} < 0\\\\5n-47 < 0\\\\5n < 47 \ \ \ |:5\\\\n < 9,4\\\\n \in N+\\\\n\in \{1,2,3,4,5,6,7,8,9\}[/tex]
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Odpowiedź:
Ujemne wyrazy tego ciągu, to: a₁, a₂, a₃, a₄, a₅, a₆, a₇, a₈, a₉.
[tex]a_{n} = 5n-47\\\\a_{n} < 0\\\\5n-47 < 0\\\\5n < 47 \ \ \ |:5\\\\n < 9,4\\\\n \in N+\\\\n\in \{1,2,3,4,5,6,7,8,9\}[/tex]