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Mumz [18]
3 years ago
5

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

Mathematics
1 answer:
nirvana33 [79]3 years ago
6 0
If n ∈ \mathbb{N} then
U_{0}=3(0)-1=-1
U_{1}=3(1)-1=2.
U_{2}=3(2^2)-1=11.
U_{3}=3(3^2)-1=26.
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