Birdwatch Note Rating
2023-08-30 05:09:04 UTC - HELPFUL
Rated by Participant: F11F7D34790DD481EB0A17D37FED07418B2AC73DD96F3487ACBC0C73034A3DFA
Participant Details
Original Note:
This technique does not work for all square-roots or other root functions. The examples here are hand-picked to work. For example: SQRT(169) = 13 SQRT(196) =14. 1+6+9=16 for both, which fails the method presented. This link contains some tricks for larger square roots. https://www.cuemath.com/algebra/square-root-tricks/
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