Jawab:
Pembahasan :
52 , 56 , 58 , ... , 196
Un = a + (n - 1)b
196 = 52 + (n - 1)4
196 = 52 + 4n - 4
196 = 4n + 48
4n = 148
n = 37
Sn = n/2(a + Un)
S36 = 36/2(52 + 196)
S36 = 18(248)
S36 = 4464
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Jawab:
Pembahasan :
52 , 56 , 58 , ... , 196
Un = a + (n - 1)b
196 = 52 + (n - 1)4
196 = 52 + 4n - 4
196 = 4n + 48
4n = 148
n = 37
Sn = n/2(a + Un)
S36 = 36/2(52 + 196)
S36 = 18(248)
S36 = 4464