Suku ke 10 dari 2,-1,-4,-7
Matematika
DinaTurAzizah
Pertanyaan
Suku ke 10 dari 2,-1,-4,-7
2 Jawaban
-
1. Jawaban cupid85
a = 2
b = - 1 - 2 = - 3
U10 = a + 9b
= 2 + 9(-3)
= 2 - 27
= - 25 -
2. Jawaban newwiguna
a = 2
b = -1 - 2 = -3
Un = a + (n - 1)b
U10 = 2 + (10 - 1)(-3)
U10 = 2 + 9(-3)
U10 = 2 - 27
U10 = -25