100 People to Meet Before You Die Travel to Exotic Cultures

100 People to Meet Before You Die Travel to Exotic Cultures

Matematika 1. 2,5,8,11.... Tentukan a. V1
b. beda
c. suku ke 50

2. 23,21,19,17.....
Tentukan a. suku pertama
b. beda
c. suku ke 10​

1. 2,5,8,11.... Tentukan a. V1
b. beda
c. suku ke 50

2. 23,21,19,17.....
Tentukan a. suku pertama
b. beda
c. suku ke 10​

Jawaban:

DerArit =

a = 2

b = 3

U50 = a + 49b

U50 = 2 + 49(3)

U50 = 2 + 147

U50 = 149

a = 23

b = -2

U10 = a + 9b

U10 = 23 + 9(-2)

U10 = 23 - 18

U10 = 5

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