\"\"

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The curve equation is \"\" and line is \"\" and \"\".

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Area of the shaded region is \"\".

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Observe the graph :

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Upper line is \"\".

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Lower curve is \"\".

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Here \"\" and \"\". 

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\"\"

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\"\"

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\"\"

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Area of the shaded region is \"\" sq-units.

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\"\"

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Area of the shaded region is \"\" sq-units.

\