$\"\"$

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(a)

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The integral is $\"\"$ .

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From the table of integrals Formula 24: $\"\"$ .

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Here $\"\"$ .

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$\"\"$ .

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$\"\"$

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(b)

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The integral is $\"\"$ .

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Solve the integral using parial fractions.

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Consider the integrand $\"\"$ .

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$\"\"$

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$\"\"$

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Substitute $\"\"$ in expression (1).

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$\"\"$

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Substitute $\"\"$ in expression (1).

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$\"\"$

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Substitute $\"\"$ and $\"\"$ in $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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(a) $\"\"$ .

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(b) $\"\"$ .