- #1
Lee
- 56
- 0
Which substituation would I need to use for this intergral;
[y.du/(y^2 + (x - u)^2)]
[y.du/(y^2 + (x - u)^2)]
A tricky integral is an integral that cannot be solved using basic integration techniques such as substitution, integration by parts, or partial fractions. These integrals often involve complex functions or expressions that require advanced mathematical techniques to solve.
Substituting for an integral allows us to simplify the integrand and make it easier to integrate. It also helps us to find a new variable that makes the integral more manageable, especially for tricky integrals.
Some common substitution methods for tricky integrals include u-substitution, trigonometric substitution, and hyperbolic substitution. These methods involve replacing the variable in the integral with a new variable to simplify the integrand.
The choice of substitution method depends on the form of the integrand. For example, if the integrand contains a square root, we can use u-substitution. If it contains expressions involving trigonometric functions, we can use trigonometric substitution. It is important to carefully analyze the integrand before choosing a substitution method.
Yes, some tips for solving tricky integrals include, carefully analyzing the integrand, trying different substitution methods, and practicing regularly. It is also helpful to review basic integration techniques and to become familiar with the properties of different functions and their derivatives.