Math-o-Puzzle

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Across
  1. 3. Also known as human computer
  2. 5. branch of Maths
  3. 8. term for boundary
  4. 11. study of relation between angles and triangle sides
  5. 12. numbers that divide a number
  6. 13. Currency of Bangladesh
  7. 16. Average of data is ___
  8. 19. Square matrix whose diagonal values are 1while other are 0
  9. 21. Cone when cut parallel to base we have : a cone and ______
  10. 22. Differentiation of e^x
  11. 23. 10 crore =___ million
  12. 24. F(x)=x^3/3,F'(4)
Down
  1. 1. Integration of Cos(x)
  2. 2. An arc and two radius of circle connected end to end forms
  3. 4. In quadratic equation, b^2 - 4ac is
  4. 6. number of units in a dozen
  5. 7. Mathematics of shapes
  6. 9. Likelihood of something happening
  7. 10. (x-a)^2+(y-b)^2=r^2 is an equation of:
  8. 14. Calculated value of Pi first
  9. 15. value that can vary
  10. 17. Smallest Marsenne Prime
  11. 18. Rectangle in 3D
  12. 20. 3 term polynomial