3+7+11+...
Suku Pertama (a) = 3
Beda (b) = 7 - 3 = 4
.
U10 = a + 9b
U10 = 3 + 9(4)
U10 = 3 + 36
U10 = 39
Sn = n/2 (a + Un)
S10 = 10/2 (3 + 39)
S10 = 5 (42)
S10 = 210
______________
Pelajari soal baris dan deret lainnya
brainly.co.id/tugas/16631131
Mapel: Matematika
Kelas: 9
Materi: Baris dan Deret
Kata Kunci: -
Kode Soal: 2
Kode Kategorisasi: 9.2.2
_______________
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3+7+11+...
Suku Pertama (a) = 3
Beda (b) = 7 - 3 = 4
.
U10 = a + 9b
U10 = 3 + 9(4)
U10 = 3 + 36
U10 = 39
.
Sn = n/2 (a + Un)
S10 = 10/2 (3 + 39)
S10 = 5 (42)
S10 = 210
______________
Pelajari soal baris dan deret lainnya
brainly.co.id/tugas/16631131
______________
Mapel: Matematika
Kelas: 9
Materi: Baris dan Deret
Kata Kunci: -
Kode Soal: 2
Kode Kategorisasi: 9.2.2
_______________
#backtoschoolcampaign