Penjelasan dengan langkah-langkah:
a = 2½ = 2,5
b = 4 - 2½ = 4-2,5 = 1,5
Un
= a + (n-1)b
= 2,5 + (n -1)1,5
= 2,5 + 1,5n - 1,5
= 1,5n + 1
semoga membantu
#backtoschool2019
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Penjelasan dengan langkah-langkah:
a = 2½ = 2,5
b = 4 - 2½ = 4-2,5 = 1,5
Un
= a + (n-1)b
= 2,5 + (n -1)1,5
= 2,5 + 1,5n - 1,5
= 1,5n + 1
semoga membantu
#backtoschool2019