1) Tuliskan tiga suku berikutnya dan tentukan aturan dari masing-masing barisan beeikut. a) 3,6,9,12... b) 1,4,9,16... c) 63,54,45 d) 160,154,148,142... Tolong

a)3,6,9,12,16,18,21
b)1,4,9,16,25,36,49
c)63,54,45,36,27,18
d)Gtw

a. 3,6,9,12,.. ← perkalian 3
= 15,18, 21

b. 1,4,9,16,... ← hasil kuadrat
= 25,36,489

c. 63,54,45,.. ← perkalian 9
= 36,27,18

d. 160,154,148,142,...← - 6
= 136, 130, 124

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