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Question 1
Find the greatest common factor of `30 n^3`, `10 n^4`, and `35 n^5`
 

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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  
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