1. Use residue theorem to evaluate the integral:
2.Use residue theorem to evaluate the integral, where a>1:
3.Use residue theorem to show that for |a|<1, Hint: Represent this integral as an integral over the unit circle z(θ) = cos θ + isin θ.
1. Use residue theorem to evaluate the integral:
2.Use residue theorem to evaluate the integral, where a>1:
3.Use residue theorem to show that for |a|<1, Hint: Represent this integral as an integral over the unit circle z(θ) = cos θ + isin θ.