I don't know thats what I'm asking you!
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you have 9n+17=-1 -17 -17 9n=-18 /9 /9 n= -2
Strangely enough, it is 9n + 1 for n = 1, 2, 3, ...
0.1 (recurring) = 1/9 Solve this type of problem as follows :- Let n = 0.1 (recurring) 10n = 1.1(recurring) 9n = 1 n = 1/9
37 - 9n
3(3n - 1)(n + 1)