Penjelasan dengan langkah-langkah:
titik hitam = ujung korek.
4,7,10,..
a = 4
b = 7 - 4 = 3
un = a + (n - 1) b
u6 = a + (6 - 1) 3
u6 = 4 + (5 . 3)
u6 = 4 + 15
beda
= u2-u1
= 7-4
= 3
substitusi ke rumus
un = a + (n-1)b
u6 = 4+(6-1)3
u6 = 4+5(3)
u6 = 4+15
u6 = 19
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Penjelasan dengan langkah-langkah:
titik hitam = ujung korek.
4,7,10,..
a = 4
b = 7 - 4 = 3
un = a + (n - 1) b
u6 = a + (6 - 1) 3
u6 = 4 + (5 . 3)
u6 = 4 + 15
u6 = 19 (B)
Penjelasan dengan langkah-langkah:
beda
= u2-u1
= 7-4
= 3
substitusi ke rumus
un = a + (n-1)b
u6 = 4+(6-1)3
u6 = 4+5(3)
u6 = 4+15
u6 = 19