$\"\"$

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The integral is $\"\"$ .

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Rationalise the fraction.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Apply power rule of integrals: $\"\"$ .

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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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$\"\"$ .