Suku ke 4 dan sku ke 7 brisan masing2 19 dan 37 .
jumlah 24 sku prtama
Jawaban Terkonfirmasi
U4 = a + 3b —> a + 3b = 19 —> a = 19 – 3b
U7 = a + 6b —> a + 6b = 37
a + 6b = 37
(19 – 3b) + 6b = 37
3b = 37 – 19
3b = 18
b = 6
a = 19 – 3b
a = 19 – (6)
a = 19 – 18
a = 1
S24 = 24/2 {2(1) + 23(6)}
S24 = 12{2 + 138}
S24 = 12(140)
S24 = 1680
U4 = a + 3b —> a + 3b = 19 —> a = 19 – 3b
U7 = a + 6b —> a + 6b = 37
a + 6b = 37
(19 – 3b) + 6b = 37
3b = 37 – 19
3b = 18
b = 6
a = 19 – 3b
a = 19 – (6)
a = 19 – 18
a = 1
S24 = 24/2 {2(1) + 23(6)}
S24 = 12{2 + 138}
S24 = 12(140)
S24 = 1680
tolong jadikan aku yang solusi yang etrbaik donk , lagi membutuhkan……………….
please………..
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