Question
Write out the form of the partial fraction expansion of the function. Do not determine the numerical values of the coefficients.(a) $\frac{2 x}{(x+3)(3 x+1)}$(b) $\frac{1}{x^{3}+2 x^{2}+x}$
Step 1
Since they are distinct and non-repeating, we can write the partial fraction expansion as $\frac{A}{x+3}+\frac{B}{3 x+1}$, where A and B are constants to be determined. Show more…
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