Question

write the partial fraction decomposition of the rational expression.

Answer 1

Step 1:

The partial fraction is .

The partial fraction decomposition :

Multiply each side by .

Compare  coefficients on each side.

Compare  coefficients on each side.

Compare  coefficients on each side.

Substitute  in the above equation.

Compare constants on each side.

Substitute  in the above equation.

Substitute  in the partial fraction decomposition.

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Solution :

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