Integral from a to a
From specialfunctionswiki
Theorem
Let $z \in \mathbb{C}$. The following formula holds: $$\displaystyle\int_a^a f(z) \mathrm{d}z=0.$$
Let $z \in \mathbb{C}$. The following formula holds: $$\displaystyle\int_a^a f(z) \mathrm{d}z=0.$$
