Answer:
find d first
formula:
d= an-ak
------------
n - k
14-2
= --------
5 - 1
12
= -----
4
d= 3
2+3 = 5 is the a2
5+3 = 8 is the a3
8+3 = 11 is the a4
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Answer:
find d first
formula:
d= an-ak
------------
n - k
14-2
= --------
5 - 1
12
= -----
4
d= 3
2+3 = 5 is the a2
5+3 = 8 is the a3
8+3 = 11 is the a4