"We define the sequence a recursively by setting a_1 = 10 and a_(i+1) = a_i + 4 for all i>= 1. Give the first five terms of this sequence" I know a_1 = 10, i'm not sure what I have to change in a_2 a_3..
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Originally Posted by 14041471 "We define the sequence a recursively by setting a_1 = 10 and a_(i+1) = a_i + 4 for all i>= 1. Give the first five terms of this sequence" I know a_1 = 10, i'm not sure what I have to change in a_2 a_3.. $\displaystyle a_1 = 10$ $\displaystyle a_2 = a_{1+1} = a_1 + 4 = 14$ $\displaystyle a_3 = a_{2+1} = a_2 + 4 = 18$ and so on By the way: To me this isn't a geometric sequence ???
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