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(a)

The expression is $\"\"$ .

The degree of the numerator is greter than or equal to degree of denominator then perform the long division method.

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The expression can be written as follows.

$\"\"$

Write the partial fraction decomposition of the function.

$\"\"$

$\"\"$ .

The partial fraction decomposition of the expression is $\"\"$ .

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(b)

The expression is $\"\"$ .

$\"\"$

Write the partial fraction decomposition of the above function.

$\"\"$

The partial fraction decomposition of the expression is

$\"\"$ .

$\"\"$

(a)

The partial fraction decomposition of the expression is $\"\"$ .

(b)

The partial fraction decomposition of the expression is

$\"\"$ .