USING DETERMINANTS FOR DETERMINING  EXTREME VALUES OF A FUNCTION OF ONE VARIABLE, TWO VARIABLES AND THREE VARIABLES

Pham Ngoc Thinh*
Faculty of Natural Sciences and Technology, Tay Nguyen University, Viet Nam
* Coresponding author: phngthinh@yahoo.com

ABSTRACT
By using the determinants, the purpose of this presentation is to show the necessary and sufficient conditions such that a function of one variable or two variables or three variables be relative maximization, relative minimization and positive for variables which are small sufficients.

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