View source for Baaxad

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Qayb ka mid ah laamaha <math>S</math> Saddex baaxadood leh <math>\R^3</math> Waa baaxad ee loogu talo galay bar kasta <math>x</math> ka kooban <math>S</math> meelo furan <math>U</math> shaqooyin kala duwan
:<math>F:U \to \R\,\! </math>
marka <math>U</math> iskajara <math>S</math> bar mucayin ah oo <math>F</math> baaba'da:
:<math>U\cap S = F^{-1}(0)</math>
Meel walba:
:<math>\nabla F \neq 0</math>
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[[Category:Tiro]]