Question

9x^2 + 9y^2 = 4
x^2 + x^2 = 12
​

Answer 1

Respuesta:

\begin{pmatrix}x=-\sqrt{6},\:&y=i\frac{5\sqrt{2}}{3}\\ x=-\sqrt{6},\:&y=-i\frac{5\sqrt{2}}{3}\\ x=\sqrt{6},\:&y=i\frac{5\sqrt{2}}{3}\\ x=\sqrt{6},\:&y=-i\frac{5\sqrt{2}}{3}\end{pmatrix}

Explicación: