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Consider the following general term for a sequence
`a_n=2+(-1)^(n-1)*(3n)`


What are the first five terms of the sequence?
`a_1=`  
`a_2=`  
`a_3=`  
`a_4=`  
`a_5=`  


X
MathQuill
   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]