Materi : Barisan dan Geometri
Pola barisan aritmatika
3, 7, 11, ...
Suku Pertama = 3, Beda = 4
Maka rumus pola : Un = 4n - 1
Maka U7 = 4(7) - 1 = 28 - 1 = 27
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]
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Materi : Barisan dan Geometri
Pola barisan aritmatika
3, 7, 11, ...
Suku Pertama = 3, Beda = 4
Maka rumus pola : Un = 4n - 1
Maka U7 = 4(7) - 1 = 28 - 1 = 27
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]