Habis dibagi 2 dan 3 : 12, 18, 24, 30, 36,....,96
a = 12 , b = 6
Un = 12+6(n-1)
96 = 12+6(n-1)
16 = 2+n-1
n = 15
S5 = 15/2 (12+96)
S5 = 54.15
= 810
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Habis dibagi 2 dan 3 : 12, 18, 24, 30, 36,....,96
a = 12 , b = 6
Un = 12+6(n-1)
96 = 12+6(n-1)
16 = 2+n-1
n = 15
S5 = 15/2 (12+96)
S5 = 54.15
= 810