## $\int_{-\sqrt{a}}^{\sqrt{a}}\sqrt{\frac{a^{4} – a^{2}x^{2} – b^{2}x^{2}}{a^{4}-a^{2}x^{2}}}$

$$\int_{-\sqrt{a}}^{\sqrt{a}}\sqrt{\frac{a^{4} – a^{2}x^{2} – b^{2}x^{2}}{a^{4}-a^{2}x^{2}}}$$

Wtih $$a$$ and $$b$$ $$\in \mathbb{R}$$

Any idea of how to solve this integral?