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The integration expression is .

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Consider the function .

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Let (x² + 2x - 2) = t² ---> (2x + 2)dx = 2t dt ---> (x + 1)dx = t dt.

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.

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Consider the function .

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Write the quadratic expression in the complete square form.

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= x².+ 2x - 2

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=(x + 1)²  - 1 - 2

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=(x + 1)²  - 3

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