rumus suku ke n dari barisan 13,9,5,1...adalah
Matematika
indahli
Pertanyaan
rumus suku ke n dari barisan 13,9,5,1...adalah
2 Jawaban
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1. Jawaban MuhammmadRizky
Chapter Rows and Rows
Mathematics
Grade 9 junior high
"Looking for the n th term formula of the Arithmetic sequence"
Settlement
a = 13
b = U2 - U1
= 9 - 13
= -4
Un = a + (n - 1) b
= 13 + (n - 1) -4
= 13 + - 4n + 4
= -4n + 17
I hope this helps!!! -
2. Jawaban YurinaCoco
Tn = T1+(n-1)d
Tn = 13+(n-1)-4
= 13+-4n+4
= 17n-4
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