HPT 18
a) $\left\{ \begin{array}{l} 1+x^{3}y^{3} =19x^{3}\\ y+xy^{2} =-6x^{2} \end{array} \right. $
b) $\left\{ \begin{array}{l} \sqrt{x-1} - \sqrt{y} =1 -x^{3}\\ (x-1)^{4} =y \end{array} \right.$
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HPT 18
$\left\{ \begin{array}{l} 1+x^{3}y^{3} =19x^{3}\\ y+xy^{2} =-6x^{2} \end{array} \right. $$\left\{ \begin{array}{l} \sqrt{x-1} - \sqrt{y} =1 -x^{3}\\ (x-1)^{4} =y \end{array} \right.$
Hệ phương trình
HPT 18
a) $\left\{ \begin{array}{l} 1+x^{3}y^{3} =19x^{3}\\ y+xy^{2} =-6x^{2} \end{array} \right. $
b) $\left\{ \begin{array}{l} \sqrt{x-1} - \sqrt{y} =1 -x^{3}\\ (x-1)^{4} =y \end{array} \right.$
Hệ phương trình