Mathematicians

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Across
  1. 2. Ramunjan worked on rules for these numbers
  2. 5. Ramunjan notebly worked on these series to find a constant value
  3. 6. last pada in aryabhatta’s book
  4. 8. Pingala worked on this sequence
Down
  1. 1. No of decimal places of accurate pi value ramunjans formula gets when n=0
  2. 3. book written by aryabhatta
  3. 4. First volume of Siddhanta shiromani
  4. 7. The sum of series= 1-1+1-1+1-1+……
  5. 9. Brahmagupta contribution in geometry included finding the sum of _______