Let $a_1, a_2, a_3,\dots$ be an increasing arithmetic sequence of integers. If $a_4a_5 a_6 = 6$, what is $a_3a_7$?
\(a_4a_5 a_6 = 6\)
What is \(a_3a_7\)
Let a4 = 1 a5 = 2 and a6 = 3
a3 = 0 a7 = 4
a3a7 = (0) (4) = 0
+1348 
