SOLUTION: which of the sequence are arithmetic which are geometric and which are neither
1,3,5,7,9
3,6,12,24,48
9,13,17,21,25,29
1,8,27,64,125
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Question 320879: which of the sequence are arithmetic which are geometric and which are neither
1,3,5,7,9
3,6,12,24,48
9,13,17,21,25,29
1,8,27,64,125
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
which of the sequence are arithmetic which are geometric and which are neither
1,3,5,7,9
d = 2 so arithmetic
--------------------------
3,6,12,24,48
r = 2 so geometric
--------------------------
9,13,17,21,25,29
d = 4 so arithmetic
--------------------------
1,8,27,64,125
neither
======================
cheers,
Stan H.
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