List of integrals of logarithmic functions

From Free net encyclopedia

The following is a list of integrals (antiderivative functions) of logarithmic functions. For a complete list of integral functions, please see table of integrals and list of integrals.

Note: x>0 is assumed throughout this article.

<math>\int\ln cx\,dx = x\ln cx - \frac{x}{c}</math>

<math>\int (\ln x)^2\; dx = x(\ln x)^2 - 2x\ln x + 2x</math>

<math>\int (\ln cx)^n\; dx = x(\ln cx)^n - n\int (\ln cx)^{n-1} dx</math>

<math>\int \frac{dx}{\ln x} = \ln|\ln x| + \ln x + \sum^\infty_{i=2}\frac{(\ln x)^i}{i\cdot i!}</math>

<math>\int \frac{dx}{(\ln x)^n} = -\frac{x}{(n-1)(\ln x)^{n-1}} + \frac{1}{n-1}\int\frac{dx}{(\ln x)^{n-1}} \qquad\mbox{(for }n\neq 1\mbox{)}</math>

<math>\int x^m\ln x\;dx = x^{m+1}\left(\frac{\ln x}{m+1}-\frac{1}{(m+1)^2}\right) \qquad\mbox{(for }m\neq -1\mbox{)}</math>

<math>\int x^m (\ln x)^n\; dx = \frac{x^{m+1}(\ln x)^n}{m+1} - \frac{n}{m+1}\int x^m (\ln x)^{n-1} dx \qquad\mbox{(for }m\neq -1\mbox{)}</math>

<math>\int \frac{(\ln x)^n\; dx}{x} = \frac{(\ln x)^{n+1}}{n+1} \qquad\mbox{(for }n\neq -1\mbox{)}</math>

<math>\int \frac{\ln x\,dx}{x^m} = -\frac{\ln x}{(m-1)x^{m-1}}-\frac{1}{(m-1)^2 x^{m-1}} \qquad\mbox{(for }m\neq 1\mbox{)}</math>

<math>\int \frac{(\ln x)^n\; dx}{x^m} = -\frac{(\ln x)^n}{(m-1)x^{m-1}} + \frac{n}{m-1}\int\frac{(\ln x)^{n-1} dx}{x^m} \qquad\mbox{(for }m\neq 1\mbox{)}</math>

<math>\int \frac{x^m\; dx}{(\ln x)^n} = -\frac{x^{m+1}}{(n-1)(\ln x)^{n-1}} + \frac{m+1}{n-1}\int\frac{x^m dx}{(\ln x)^{n-1}} \qquad\mbox{(for }n\neq 1\mbox{)}</math>

<math>\int \frac{dx}{x\ln x} = \ln|\ln x|</math>

<math>\int \frac{dx}{x^n\ln x} = \ln|\ln x| + \sum^\infty_{i=1} (-1)^i\frac{(n-1)^i(\ln x)^i}{i\cdot i!}</math>

<math>\int \frac{dx}{x (\ln x)^n} = -\frac{1}{(n-1)(\ln x)^{n-1}} \qquad\mbox{(for }n\neq 1\mbox{)}</math>

<math>\int \sin (\ln x)\;dx = \frac{x}{2}(\sin (\ln x) - \cos (\ln x))</math>

<math>\int \cos (\ln x)\;dx = \frac{x}{2}(\sin (\ln x) + \cos (\ln x))</math>

<math>\int e^x (x \ln x - x - \frac{1}{x})\;dx = e^x (x \ln x - x - \ln x) </math>eo:Vikipedio:Projekto matematiko/Listo de integraloj de logaritmaj funkcioj

fr:Primitives de fonctions logarithmes it:Tavola degli integrali indefiniti di funzioni logaritmiche pl:Całki funkcji logarytmicznych ru:Список интегралов от логарифмических функций sr:Списак интеграла логаритамских функција vi:Danh sách tích phân với hàm lôgarít zh:对数函数积分表