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2 , 4 , 6 , 8
a = 2
b = 4 - 2 = 2
pola ke 100
Un = a + (n-1) b
U100 = 2 + ( 100-1) 2
= 2 + (99)2
= 2 + 198
= 200
jawaban nomer 2 ( salh soal mungkin )
2 , 6 , 15 ...
jawaban nomer 3 (aritmatika )
4 , 8 , 12
a = 4
b = 8-4 = 4
pola ke 100
Un = a + (n-1) b
U100 = 4 + ( 100-1) 4
= 4 + (99)4
= 4 + 396
= 400