step 1:

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The integral is $\"\"$ .

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Assume $\"\"$ .

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

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$\"\"$

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Substitute $\"\"$ in the integral.

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$\"\"$

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$\"\"$

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Replace $\"\"$ with $\"\"$ in equation(1).

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$\"\"$

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Solution:

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$\"\"$

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