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Verified answer
Mapel : MatematikaBab : Barisan dan Deret
Barisan Aritmatika
a = 4
b = 11 - 4 = 7
Un = bn + a - b
U35 = 7(35) + 4 - 7
U35 = 245 - 3
U35 = 242
mata pelajaran:matematika
diketahui:
a=U1=4
b=U2-U1=11-4=7
ditanya:
Un35.....?
jawab:
rumus Un=a+(n-1)b
Un35=4+(35-1)7
Un35=4+(34×7)
Un35=4+238
Un35=242
semoga membantu jawaban ini