2a2−b2\frac{2}{\sqrt{a^{2}-b^{2}}}a2−b22
−2a2−b2\frac{-2}{\sqrt{a^{2}-b^{2}}}a2−b2−2
1a2−b2\frac{1}{\sqrt{a^{2}-b^{2}}}a2−b21
−1a2−b2\frac{-1}{\sqrt{a^{2}-b^{2}}}a2−b2−1
πa2−b2\frac{\pi}{\sqrt{a^{2}-b^{2}}}a2−b2π