partial fraction for 1/(x(x^2+1)) | Summary and Q&A

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April 29, 2017
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blackpenredpen
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partial fraction for 1/(x(x^2+1))

TL;DR

Learn how to perform partial fraction decomposition using a linear factor and an irreducible quadratic factor.

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Questions & Answers

Q: What is partial fraction decomposition?

Partial fraction decomposition is a technique used to simplify rational expressions by breaking them down into simpler fractions.

Q: What is the cover-up method for determining the constant term?

The cover-up method involves setting the variable in the linear factor to zero and evaluating the expression to find the constant term.

Q: Can we use the cover-up method for the irreducible quadratic factor?

No, we cannot use the cover-up method for the irreducible quadratic factor. It can only be simplified to a linear factor.

Q: How do we find the coefficients of the terms in the partial fraction decomposition?

We multiply the original expression by the lowest common denominator and equate like terms on both sides of the equation to determine the coefficients.

Summary & Key Takeaways

  • The content explains how to perform partial fraction decomposition for a given expression involving a linear factor and an irreducible quadratic factor.

  • The cover-up method is used to determine the value of the constant term.

  • The expression is then multiplied by the lowest common denominator to simplify. The coefficients of the terms are found by equating like terms on both sides of the equation.

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