Remove Nth Node From End - Two pointers Pattern Practice Quiz Questions

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  1. What does Remove Nth Node From End require?
  2. What is the brute-force two-pass approach?
  3. Why use a dummy node?
  4. For 1 -> 2 -> 3 -> 4 -> 5 with n = 2, what node is removed?
  5. Where should slow stop before unlinking?

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