Diketahui barisan aritmetika 154,149,144,....4 banyak suku barisan tersebut adalah
[tex]un = a + (n - 1)b \\ 4 = 154 + (n - 1) - 5 \\ 4 = 154 - 5n + 5 \\ 4 = 159 - 5n \\ 5n = 159 - 4 \\ n = \frac{155}{5} \\ n = 31[/tex]
[answer.2.content]Ich mag, wenn's kracht.: Jürgen Klopp. Die Biographie
Ich mag, wenn's kracht.: Jürgen Klopp. Die Biographie
[tex]un = a + (n - 1)b \\ 4 = 154 + (n - 1) - 5 \\ 4 = 154 - 5n + 5 \\ 4 = 159 - 5n \\ 5n = 159 - 4 \\ n = \frac{155}{5} \\ n = 31[/tex]
[answer.2.content]