$\"\"$

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The integral is $\"\"$ .

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(a)

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Evaluate the integral $\"\"$ in terms of natural logarithms:

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$\"\"$ $\"\"$ .

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Apply the formula: $\"\"$ .

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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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Property of logarithmic function $\"\"$ .

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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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(b) Evaluate the integral $\"\"$ in terms of inverse hyperbolic functions:

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$\"\"$ $\"\"$

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Apply the formula: $\"\"$

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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) $\"\"$ .