$\"\"$

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The equations are $\"\"$ , $\"\"$ and $\"\"$ .

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Graph:

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Graph the equations $\"\"$ , $\"\"$ and $\"\"$ .

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Shade the region bounded by the graphs.

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$\"\"$

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Observe the graph:

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Area of the region bounded by $\"\"$ , $\"\"$ and $\"\"$ is from $\"\"$ to $\"\"$ .

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$\"\"$

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The area enclosed by the curves is $\"\"$ .

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$\"\"$

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$\"\"$ .

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Let $\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ and $\"\"$ in (1)

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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Graph of the equations $\"\"$ , $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ .