Nature of Roots

Nature of Roots
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Geo-Gebra applet on nature of roots in quadratic equations

https://files.metastudio.org/media/7/5/3/394f5a3b4c4100a3809fe0e39df8ada9c6927d15d8ef7b76736dda58fd7ce.html

License: CC-BY-SA 4.0 unported
Source: NCERT