The integral of the function \(\frac{1}{9-4 x^2}\) is:
1
\(\frac{1}{22} \log _{\mathrm{e}}\left|\frac{3+x}{3-x}\right|+\mathrm{C}\), where C is an arbitrary constant
2
\(\frac{1}{12} \log _{\mathrm{e}}\left|\frac{3+2 x}{3-2 x}\right|+\mathrm{C}\), where C is an arbitrary constant
3
\(\frac{1}{2} \log _{\mathrm{e}}\left|\frac{7+x}{7-x}\right|+\mathrm{C}\), where C is an arbitrary constant
4
\(\frac{1}{12} \log _{\mathrm{e}}\left|\frac{3-2 x}{3+2 x}\right|+\mathrm{C}\), where C is an arbitrary constant