Step 1:

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The definite integral is $\"\"$ .

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Consider $\"\"$

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Differentiate with respect to $\"\"$ on each side.

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$\"\"$

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$\"\"$ Since $\"\"$

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Change of integral limits:

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Upper limit:If $\"\"$ then $\"\"$ Since $\"\"$

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Lower limit:If $\"\"$ then $\"\"$ Since $\"\"$

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

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$\"\"$

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Power rule of integration: $\"\"$

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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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$\"\"$