complex crossword

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Across
  1. 3. Function is differentiable at each point of domain
  2. 5. Within a circle power series......
  3. 8. Contour integration done along....
  4. 11. Similar in appearence
  5. 12. Analytic function is known as...
  6. 13. Series having positive powers of z
  7. 15. Point at which function is not analytic
Down
  1. 1. Singularity when principle part have finite term
  2. 2. Function satisfying Laplace equation
  3. 4. Singularity when principle part have no terms
  4. 6. Singularity when principle part have infinite terms
  5. 7. Pair of real number is.....number.
  6. 9. Outside a ciecle power series...
  7. 10. X-Y Axis intersect at....
  8. 14. x-axis is also known as....
  9. 16. It is unique to every function.