Simplify

$\large\left( \dfrac{x^a}{x^b} \right)^{a^2+b^2+ab} \times \left( \dfrac{x^b}{x^c} \right)^{b^2+c^2+bc} \times \left( \dfrac{x^c}{x^a} \right)^{c^2+a^2+ac} = \, ?$