MHAARYA07 MHAARYA07

18-08-2017
Mathematics

contestada

tulislah empt suku pertama dari barisan yang rumus suku ke n nya adalah Un = 3n^2-1

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Ilyes39 Ilyes39

18-08-2017

If n ∈ [tex]\mathbb{N}[/tex] then
[tex] U_{0}=3(0)-1=-1 [/tex]
[tex] U_{1}=3(1)-1=2. [/tex]
[tex] U_{2}=3(2^2)-1=11. [/tex]
[tex] U_{3}=3(3^2)-1=26. [/tex]

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