Integration by Substitution, Parts & Partial Fractions


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Lecture Notes

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Section 4, Page 3 to page 4

Step-by-step guide for integrating using the substitution method. Examples include finding the antiderivative of x*sin(x2) and the antiderivative of sin(x)3*cos(x).

Instructor: Prof. Jason Starr
Prior Knowledge: Antidifferentiation (sections 2 and 3 of this lecture)
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Section 5, Page 4 to page 5

Using substitution of variables to evaluate definite integrals, including change of limits. Includes worked example.

Instructor: Prof. Jason Starr
Prior Knowledge: Riemann Integral (section 4 of lecture 14) and Fundamental Theorem of Calculus (section 3 of lecture 15)
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Section 1, Page 1 to page 4

Step-by-step method of inverse substitution with example.

Instructor: Prof. Jason Starr
Prior Knowledge: Inverse Substitution (section 3 of lecture 25)
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Section 2, Page 4 to page 5

Definition of rational expressions and partial fractions. Formulas for integrating partial fractions.

Instructor: Prof. Jason Starr
Prior Knowledge: Inverse Substitution (section 1 of this lecture)
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Section 3, Page 5 to page 6

Method of using polynomial division and factoring to simplify a rational expression. Includes example of reducing (x3 + 1) / (x2 + 3x + 2).

Instructor: Prof. Jason Starr
Prior Knowledge: Simple Rational Expressions (section 2 of this lecture)
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Section 4, Page 6 to page 7

Method of partial fraction decomposition, with example 1 / (1-x2).

Instructor: Prof. Jason Starr
Prior Knowledge: Simplifying Rational Expressions (section 3 of this lecture)
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Section 5, Page 7 to page 9

The cover-up method for finding the coefficients in a partial fraction decomposition, with example z2 / (1 - z2)2.

Instructor: Prof. Jason Starr
Prior Knowledge: Partial Fraction Decomposition (section 4 of this lecture)
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Section 1, Page 1 to page 2

Introduction to method of integration by parts, with example of integrating x*cos(x).

Instructor: Prof. Jason Starr
Prior Knowledge: Product Rule (section 4 of lecture 3) and Differentials (section 1 of lecture 13)
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Section 2, Page 2 to page 3

Further explanation of integration by parts, with example of integrating ln(x).

Instructor: Prof. Jason Starr
Prior Knowledge: Integration by Parts (section 1 of this lecture)
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Section 2, Page 3 to page 4

Definition of reduction formulas found using integration by parts, with examples of reduction formulas for integrating (ln(x))n and (tn)*(et).

Instructor: Prof. Jason Starr
Prior Knowledge: Integration by Parts (sections 1 and 2 of this lecture)
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Section 3, Page 4 to page 5

Derivation of reduction formula for integrating (sin(x))n.

Instructor: Prof. Jason Starr
Prior Knowledge: Reduction Formulas (section 2 of this lecture)
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Section 3, Page 3 to page 4

Problems and answers without full explanation. Finding tangent lines to an ellipse, minimizing surface area of a grain silo, finding the volume of a solid of revolution, computing an antiderivative using trig substitution, and computing an antiderivative using integration by parts.

Instructor: Prof. Jason Starr
Prior Knowledge: Tangent Lines (section 1 of lecture 2), Max/Min Problems (section 2 of lecture 10), Volume of Solids of Revolution (section 3 of lecture 19), Inverse Substitution (section 3 of lecture 25), Integration by Parts (section 1 of lecture 27)
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Section , Page 1 to page 3

Definition and explanation of this method for partial fractions, including four examples.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Online Textbook Chapters

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Anti-differentiation by applying the chain rule backwards, including a list of classes of functions that can be integrated using this method of substitution.

Instructor: Prof. Daniel J. Kleitman
Prior Knowledge: Anti-derivatives (OT19.1)
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Anti-differentiation using the backward version of the product rule, including an example.

Instructor: Prof. Daniel J. Kleitman
Prior Knowledge: Anti-derivatives (OT19.1)
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Finding anti-derivatives of rational functions using the method of partial fractions.

Instructor: Prof. Daniel J. Kleitman
Prior Knowledge: Anti-derivatives (OT19.1)
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Rules for integrating polynomials and other simple integrals by inspection, as well as techniques for integrating by substitution, parts, and partial fractions.

Instructor: Prof. Daniel J. Kleitman
Prior Knowledge: Anti-derivatives (OT19.1)
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Practice Problem

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Problem 3 (page 2)

Two part question which involves a basic example of partial fractions and an application of the substitution method for integration.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Exam Questions

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Problem 4 (page 6 to page 7)

Five-part problem evaluating integrals involving the substitution method, logarithmic functions, and trigonometric functions.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem I.1 (page 1) to problem IV.5 (page 4)

Eighteen problems with answers but not complete solutions on these four topics.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem 1 (page 2)

Computing an antiderivative using the method of integration by parts.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem 3 (page 4)

Finding the partial fraction decomposition of a fraction of two polynomials and using it to find the antiderivative of that function.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem 4 (page 5)

Evaluating an antiderivative that requires the application of multiple techniques.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem 1 (page 1) to problem 2 (page 1)

Evaluating a definite and indefinite integral using the method of integration by parts.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem 7 (page 1)

Evaluating an integral using the method of trigonometric substitution.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem 12 (page 2)

Evaluating four integrals using multiple techniques.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem 4.4 (page 3) to problem 4.5 (page 3)

Two problems which involve evaluating a definite integral.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem 6.4 (page 5) to problem 6.7 (page 5)

Four questions which involve evaluating antiderivatives of the inverse sine, cosine, and tangent functions.

Instructor: Prof. Jason Starr
Prior Knowledge: None
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Problem 1 (page 1)

Two integrals to be evaluated.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 1 (page 1)

Two integrals to be evaluated.

Prior Knowledge: None
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Problem 1 (page 1)

Antidifferentiating a function which is a ratio of polynomials.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 2 (page 1)

Evaluating a definite integral using a suggested trigonometric substitution.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 3 (page 1)

Finding a reduction formula for two integrals involving exponentials.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 1 (page 1)

Evaluating a definite integral using a trigonometric substitution.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 3 (page 1)

Antidifferentiating a function which is a ratio of polynomials.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 1 (page 1) to problem 2 (page 1)

Two questions which involve evaluating indefinite integrals using advanced techniques.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 3 (page 1)

Evaluating a definite integral using a trigonometric substitution.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 12 (page 2)

Two integrals to be evaluated, one involving a ratio of polynomials, the other involving a natural logarithm.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 13 (page 2)

Evaluating a definite integral using the trigonometric substitution of the tangent function.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Problem 3A-1 (page 21) to problem 3A-3 (page 21)

Three questions which involve evaluating five differentials and twenty indefinite integrals using a range of techniques.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Document PDF - 2.2 MB
Problem 3E-1 (page 24) to problem 3E-7 (page 25)

Seven questions which involve evaluating or estimating integrals by using the method of substitution of variables.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Document PDF - 2.2 MB
Problem 5B-1 (page 36) to problem 5B-16 (page 36)

Sixteen integrals to be evaluated using the method of substitution.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Document PDF - 2.2 MB
Problem 5C-1 (page 36) to problem 5C-14 (page 36)

Fourteen integrals to be evaluated, each of which involves a trigonometric function.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Document PDF - 2.2 MB
Problem 5D-1 (page 36) to problem 5D-15 (page 37)

Fifteen integrals to be evaluated using the method of inverse substitution and completing the square.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Document PDF - 2.2 MB
Problem 5E-1 (page 37) to problem 5E-13 (page 38)

Thirteen questions which involve integrals that must be evaluated using the method of partial fractions.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Document PDF - 2.2 MB
Problem 5F-1 (page 38) to problem 5F-6 (page 38)

Six questions which involve evaluating integrals using the method of integration by parts or deriving reduction formulas.

Instructor: Prof. David Jerison
Prior Knowledge: None
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Analysis of Graphs Limits of Functions Asymptotic & Unbounded Behavior Continuity: Property of Functions Parametric, Polar & Vector Function Concept of the Derivative Derivative at a Point Derivative as a Function Second Derivatives Applications of Derivatives Computation of Derivatives Interpretations & Properties of Definite Integrals Applications of Integrals Fundamental Theorem of Calculus Applications of Antidifferentiation Numerical Approximations to Definite Integ Concept of Series Series of Constants Taylor Series Graphs of Functions Intuitive Understanding: Limiting Process Calculating Limits Using Algebra Asymptotic Behavior: Infinity Continuity Continuity in Terms of Limits Analysis of Planar Curves Derivative Presented Graphically, Numerically & Analytically Derivative Interpreted as Instantaneous Rate of Change Derivative: Limit of the Difference Quotient Differentiability & Continuity Tangent Line - Curve at a Point & Local Linear Approximation Instantaneous Rate of Change Approximate Rate of Change Characteristics of f & f Relationship Between Behavior of f & Sign of f Mean Value Theorem & Geometric Consequences Characteristics: Graphs of f, f & f Relationship Between Concavity of f & Sign of f'' Points of Inflection - Concavity Changes Analysis of Curves Applications of Derivatives Optimization: Absolute & Relative Extrema Modeling Rates of Change Implicit Differentiation & Derivatives of Inverse Functions Derivative as a Rate of Change l'Hôpital's Rule Geometric Interpretation of Differential Equations Derivatives of Basic Functions Rules: Derivative of Sums, Products & Quotients of Functions Chain Rule & Implicit Differentiation Derivatives: Parametric, Polar & Vector Functions Definite Integral - Limit of Riemann Sums Rate of Change of a Quantity/Change of Quantity over Interval Properties of Definite Integrals Appropriate Integrals Evaluate Definite Integrals Representation of Specific Antiderivatives Antiderivatives From Derivatives of Basic Functions Integration by Substitution, Parts & Partial Fractions Improper Integrals Separable Equations & Modeling Riemann & Trapezoidal Sums Series, Convergence, Divergence Motivating Examples Geometric Series with Applications The Harmonic Series Alternating Series - Error Bound Series as Riemann Sums & the Integral Test Ratio Test - Convergence/Divergence Comparison Test Taylor Polynomial Approximation Maclaurin & Taylor Series Maclaurin Series for Basic Functions Manipulating Taylor Series Power Series Defining Functions Radius/Interval of Convergence Lagrange Error Bound