Mathematical formulas

Calculus II

Subjects Home Search Guide

Sections

1Notation, domains and conventions
2Indefinite integral and properties
3Definite integral and Fundamental Theorem of Calculus
4Substitution method
5Integration by parts
6Trigonometric integrals
7Trigonometric substitution and quadratic radicals
8Rational functions and partial fractions
9Improper integrals
10Applications of the integral
11Numerical integration
12Parametric curves
13Polar coordinates
14Sequences and series
15Power series and Taylor series
16Elementary differential equations
17Guide to choosing a method
AAppendix A: extensive table of antiderivatives
BAppendix B: useful equivalences

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Subjects
Calculus II
A.1. Basic integration formulas
Formula

A.1. Basic integration formulas

Formula

In A.1. Basic integration formulas

Formula

\int \frac{d u}{a ^{2} + u ^{2}} = \frac{1}{a} arctan \frac{u}{a} + C

Variables

$C$ Constant real de integración
$u$ Variable auxiliar de sustitución
$a$ Constant real (a menudo $a > 0$ )
$d u$ Diferencial respecto de $u$

Related formulas

Related
A.1.5 Integrals yielding inverse trigonometric functions
$\int \frac{d u}{a ^{2} - u ^{2}} = arcsin \frac{u}{a} + C$
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Formula
$\int \frac{d u}{u u ^{2} - a ^{2}} = \frac{1}{a} arcsec \frac{u}{a} + C$
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$\int csc u d u = ln ∣ csc u - cot u ∣ + C$
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A.1.6 Partial fractions (logarithmic forms)
$\int \frac{d u}{a ^{2} - u ^{2}} = \frac{1}{2 a} ln \frac{u + a}{u - a} + C$
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Formula
$\int sec u d u = ln ∣ sec u + tan u ∣ + C$
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$\int \frac{d u}{u ^{2} - a ^{2}} = \frac{1}{2 a} ln \frac{u - a}{u + a} + C$
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Formula
$\int cot u d u = ln ∣ sin u ∣ + C$
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A.1.4 Trigonometric integrals (logarithmic forms)
$\int tan u d u = - ln ∣ cos u ∣ + C$
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