Question number $1.$

Find the domain of the given function: $f(x,y)=\frac{3}{2x^2+3y^2}$

$\{(x,y)|x-\frac{3}{2}y\}$

$\{(x,y)|x-\frac{2}{3}y\}$

$\{(x,y)|x-\frac{2}{3}y\}$

$\{(x,y)|x\frac{3}{2}y\}$

$\{(x,y)|x-\frac{3}{2}y\}$

None of the above.