Typical problems of Zero-finders:
  1. Divergence

  2. Outside valid domains
    (overflow/underflow, complex from real, outside user-specified ranges, etc.)

  3. Convergence to a non-root
    (e.g. 1/x with binary search between positive and negative values)

  4. Slow convergence

  5. Stable oscillation

  6. Incomplete multiple solution



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