\"\"

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

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Area of the shaded region is \"\".

\

Observe the graph:

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Upper curve is \"\".

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Lower line is \"\".

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Here \"\" and \"\". 

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\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

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

\

\"\"

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