The limits of integration are often not easily interchangeable (without normality or with complex formulae to integrate), one makes a "change of variables" to rewrite the integral in a more "comfortable" region, which can be described in simpler formulae.
One makes a change of variables to rewrite the integral in a more "comfortable" region, which can be described in simpler formulae. The limits of integration are often not easily interchangeable (without normality or with complex formulae to integrate).
The limits of integration are often not easily interchangeable (without normality or with complex formulae to integrate). One makes a change of variables to rewrite the integral in a more "comfortable" region, which can be described in simpler formulae.
The limits of integration are often not easily interchangeable (without normality or with complex formulae to integrate). One makes a change of variables to rewrite the integral in a more "comfortable" region, which can be described in simpler formulae.