diketahui barisan aritmetika
7, 10, 13, 16, ...
maka:
a = 7
b = 10 - 7 = 3
Ditanya :
S16?
Rumus yang digunakan Sn = n/2(2a + (n - 1)b)
Jawab
S16 = 16/2 (2(7) + (16 - 1) 3)
= 8 (14 + 45)
= 8 (59)
= 472
#Belajar Bareng Okta Channel
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diketahui barisan aritmetika
7, 10, 13, 16, ...
maka:
a = 7
b = 10 - 7 = 3
Ditanya :
S16?
Rumus yang digunakan Sn = n/2(2a + (n - 1)b)
Jawab
S16 = 16/2 (2(7) + (16 - 1) 3)
= 8 (14 + 45)
= 8 (59)
= 472
#Belajar Bareng Okta Channel