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Write regular expressions for the following languages$:$

  1. The set of strings over alphabet $\{a,b,c\}$ containing at least one $a$ and at-least one $b.$
  2. The set of strings of $0's$ and $1's$ whose tenth symbol from the right end is $1.$
  3. The set of strings of $0's$ and $1's$ with at most one pair of consecutive $1's.$
in Theory of Computation by Veteran (59.1k points)
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