mathematics crossword

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Across
  1. 3. whole+(-odd)+(-even)=?
  2. 6. rate of change
  3. 9. relates inputs to outputs uniquely.
  4. 11. Pi+22/7=_____number
  5. 13. Mock theta functions given by
  6. 17. not define <=0
  7. 18. inverse process of rate of change
  8. 19. first 'a' in number
  9. 21. 6 and 28 are______ number
Down
  1. 1. 0/0 or ∞/∞ all differentiate
  2. 2. is not there in Roman numerals
  3. 4. relation of side & angle in triangle
  4. 5. Cos^2[x] + Sin^2[x]=1 And P_B_H & theorem
  5. 7. Tan(Thita)
  6. 8. "father of geometry"
  7. 10. 9 is known as the______ number
  8. 12. a value that a function approaches input
  9. 14. The square root of 2 known Pythagoras__
  10. 15. 12421 is a_______ number
  11. 16. x = 0 ____solution(Matrix)(homogeneous )
  12. 20. study of change