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Verified answer
Jawabb = 3
u4 = 2
a+ 3b = 2
a + 3(3) = 2
a= - 7
6 suku pertamanya
-7, -4, -1, 2 , 5, 8
Verified answer
Bentuk umumUn = a + (n-1) b
b = 3
dit = U6 ....????
Pembahasan
cari nilai a
U4 = 2
a + (4-1) 3 = 2
a + (3) 3 = 2
a + 9 = 2
a = 2 - 9
a = -7 ==>>> nilai a
maka
U6 = a + (6 - 1) b
U6 = -7 + 5 (3)
U6 = -7 + 15
U6 = 8 ==>>> Rock it
-7 , -4 , -1 , 2 , 5 , 8..