H
hardyboywwe
Giải các HPT sau:
1.[tex]\left\{ \begin{array}{l} x + y + \sqrt{x^2 - y^2} = 12 \\ y\sqrt{x^2 - y^2} = 12 \end{array} \right.[/tex]
2.[tex]\left\{ \begin{array}{l} \sqrt{x^2 + 2} + \sqrt{y^2 + 3} + x + y = 5\\ \sqrt{x^2 + 2} + \sqrt{y^2 + 3} - x - y = 2 \end{array} \right.[/tex]
3.[tex]\left\{ \begin{array}{l} xy(x + 2) = 3 \\ x^2 + 2x + y = 4 \end{array} \right.[/tex]
4.[tex]\left\{ \begin{array}{l} xy + x + 1 = 7y \\ x^2y^2 + xy + 1 = 13y^2 \end{array} \right.[/tex]
5.[tex]\left\{ \begin{array}{l} x(x + y + 1) - 3 = 0 \\ (x + y)^2 - \frac{5}{x^2} + 1 = 0 \end{array} \right.[/tex]
1.[tex]\left\{ \begin{array}{l} x + y + \sqrt{x^2 - y^2} = 12 \\ y\sqrt{x^2 - y^2} = 12 \end{array} \right.[/tex]
2.[tex]\left\{ \begin{array}{l} \sqrt{x^2 + 2} + \sqrt{y^2 + 3} + x + y = 5\\ \sqrt{x^2 + 2} + \sqrt{y^2 + 3} - x - y = 2 \end{array} \right.[/tex]
3.[tex]\left\{ \begin{array}{l} xy(x + 2) = 3 \\ x^2 + 2x + y = 4 \end{array} \right.[/tex]
4.[tex]\left\{ \begin{array}{l} xy + x + 1 = 7y \\ x^2y^2 + xy + 1 = 13y^2 \end{array} \right.[/tex]
5.[tex]\left\{ \begin{array}{l} x(x + y + 1) - 3 = 0 \\ (x + y)^2 - \frac{5}{x^2} + 1 = 0 \end{array} \right.[/tex]