what is the first five terms of the sequence an=2n^2
Since an = 2n2
---> a1 = 2(1)2 = 2(1) = 2
a2 = 2(2)2 = 2(4) = 8
a3 = 2(3)2 = 2(9) = 18
Can you do a4 and a5?
2(1)^2 , 2(2)^2 , 2(3)^2, 2(4)^2, 2(5)^2 =
2, 8, 18, 32, 50