\"\"

\

The function is \"\".

\

Observe the graph :

\

The interval is \"\".

\

\"\"

\

Consider \"\".

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Differentiate with respective to \"\".

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\"\"

\

\"\" at \"\".

\

Definition Of Arc Length :

\

Let the function given by  \"\" represent a smooth curve on the interval \"\".

\

The arc length of \"\" between \"\" and \"\" is \"\".

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Where \"\" is \"\".

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\"\"

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Multiply and divide by \"\".

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\"\" 

\

\"\"

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Apply integration :

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\"\"

\

\"\"

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The surface area is \"\".