Aryabhata

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Across
  1. 3. India's first satellite's name
  2. 5. 3.141 is irrational
  3. 6. chemicals
  4. 7. stars
  5. 9. traditional beliefs
  6. 10. Mid-sixth-century
  7. 11. The year the western roman empire fell
Down
  1. 1. Earth spins on
  2. 2. 123
  3. 3. To solve indeterminate linear equations
  4. 4. Capital of Bihar, formally known as Kusumapura
  5. 8. he had mistaken this formula for square roots