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A handy tip to get the next square when you have one you know the square root of ....

If you know X and X2 , then the square of (X+1) = X2 + X + (X+1)

  1. 1
  2. 4
  3. 9
  4. 16
  5. 25
  6. 36
  7. 49
  8. 64
  9. 81
  10. 100
  11. 121
  12. 144
  13. 169
  14. 196
  15. 225
  16. 256
  17. 289
  18. 324
  19. 361
  20. 400
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14y ago

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