Diketahui :
[tex] \sf U_5 = 16 [/tex]
[tex] \sf U_8 = 25 [/tex]
Tentukan : [tex] \sf S_{24} = \cdots [/tex]
...
[tex] \sf U_5 = 16 [/tex]
[tex] \sf U_8 = 25 [/tex]
Tentukan : [tex] \sf S_{24} = \cdots [/tex]
...
AlexanderFortino16
Jawaban:Diketahui:U5 = 16U8 = 25Ditanya : S24 ?Jawab:u5 = a + 4b = 16u8 = a + 7b = 25 ___________- -3b = -9b = 3a = 16 - 4 × 3 = 16 - 12 = 4s24 = 1/2n (2a + (n-1)b = 1/2 × 24 (2 × 4 + (24 - 1)3 = 12 (8 + 23 × 3) = 12 × 77 = 924■ KesimpulanJadi, Nilai S24 adalah 924.Semoga membantu!!!
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