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Partial Fractions (Introduction)

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Why we use partial fractions and the basic idea of decomposition.

5.1 Why partial fractions?

Partial fractions help us rewrite a rational expression (a fraction of polynomials) into a sum of simpler fractions.

For suitable expressions we can write:

TEXT

P(x) / Q(x) = A/(x-a) + B/(x-b) + ...

We’ll learn the exact cases and method step-by-step.