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Verified answer
Mapel : MatematikaKelas : IX SMP
Bab : Barisan dan deret
Pembahasan :
Beda = (U8 - U3)/(8 - 3)
Beda = (52 - 22)/5
Beda = 30/5
Beda = 6
U3 = 22
a + 2b = 22
a + 2(6) = 22
a + 12 = 22
a = 10
Maka Deret tersebut adalah
10 + 16 + 22 + 28 + ...