$\"\"$

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The equation is $\"\"$ .

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The curve is a linear equation.

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Formula for the arc length is $\"\"$ .

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$\"\"$ .

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Differentiate the function with respect to $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ units.

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$\"\"$

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Check the answer by using distance formula.

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Distance formula $\"\"$ .

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Find the end points of liner equation $\"\"$ .

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For $\"\"$ ,

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$\"\"$

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For $\"\"$ :

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$\"\"$

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End points are $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ units.

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$\"\"$

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$\"\"$ units.