Banyak suku pada barisan aritmateka 3,r5,7,9,…43 adalah​

Banyak suku pada barisan aritmateka 3,r5,7,9,…43 adalah​

Jawaban

21

 

Penjelasan dengan langkah-langkah:

n = (43 – 3) : 2 + 1

= 40 : 2 + 1

= 20 + 1

= 21

 

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