7,,15,23....U 45...?
Matematika
amandazahramaulida1
Pertanyaan
7,,15,23....U 45...?
1 Jawaban
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1. Jawaban TiaraShanty2002
Jawaban
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Barisan => 7,,,15,,,23
Ditanya U45 :
a = 7
b = 8
U45 = a + (n-1).b
= 7 + (45-1).8
= 7 + (44).8
= 7 + 352
= 359.
Jadi, U45 adalah => 359.
Keterangan => a (Suku pertama) & b = (beda)
Semoga membantu :)
=> Thanks <=