Matematika bantu jawab kk ( bilangan aritmatika )​

lonzogreenulv – April 07, 2023

bantu jawab kk ( bilangan aritmatika )​

3,9,15,21

a). a = 3

b). b = u2-u1=9-3=6

c).un=a+(n-1)b

un=3+(n-1)6

un=3+6n-6

un=6n-3

d).u15=6(15)-3

u15=90-3

u15=87

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