real numbers

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Across
  1. 3. referred as the prince of mathematicians
  2. 8. the word ______ comes from the name of the 9th century persian mathematician al-khwarizmi
  3. 9. the word ____ is derived from a book named hisab al-jabr w'al-muqabala
  4. 12. the proof based on a technique called proof by _______
  5. 13. the prime factorisation of a natural no. is _____ except for the order of its factors.
  6. 16. r is
  7. 17. product of the greatest power of each prime factor involved in the numbers
  8. 18. √ 3 is
  9. 19. the product and quotient of a non-____rational and irrational is irrational
  10. 20. a=bq+r
Down
  1. 1. product of the smallest power of each common prime factor in the no.
  2. 2. whise decimal expansion ____ into a rational no. of the form p/q
  3. 4. let p be a prime no. if p divides a where a is a _____ integer
  4. 5. x be a rational no. whose ____ expansion terminates
  5. 6. by looking at the prime factorisation of the ____ q of p/q
  6. 7. x=p/q where p and q are ____
  7. 10. a rational no. of the form p/q where q is the form 2n 5m, to an ____ rational no. to form a/b where b is the power of 10
  8. 11. every composite no. can be expressd as a ____ of copimes
  9. 14. q is
  10. 15. 1/2 is ____ no.
  11. 16. x has a decimal expansion which is non-terminating and ____