Apa rumus suku ke-n dari barisan aritmetika?

Suku Barisan Aritmetika

Flashcard
•
Mathematics
•
KG
•
Hard
Jauharotin Nafisah
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5 questions
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1.
FLASHCARD QUESTION
Front
Back
Un = a + (n – 1)b atau Un = Un-1 + b
2.
FLASHCARD QUESTION
Front
Apa yang dimaksud dengan beda dalam suku barisan aritmetika?
Back
Beda adalah selisih dua suku, secara matematis ditulis sebagai b = a_n - a_(n-1).
3.
FLASHCARD QUESTION
Front
Bagaimana cara menentukan suku tengah dalam barisan aritmetika?
Back
Suku tengah adalah a_{(m+n)/2} = a_m + ((m+n)/2 - m)b.
4.
FLASHCARD QUESTION
Front
Apa rumus untuk mencari nilai tengah dari sebuah barisan aritmetika?
Back
Ut = ½ (a + Un) dimana Un adalah suku ke-n.
5.
FLASHCARD QUESTION
Front
Apa rumus deret aritmetika?
Back
Sn = n/2 (a + Un) = n/2(2a + (n – 1)b)
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