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(a)
The points are and .
Distance between the two points formula: .
Substitute the and in the distance formula.
Distance between the two points is units.
(b)
Find line equation joining the points and .
Line passing through the origin is .
Slope of the points and is .
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Find the arc length of the curve :
Definition of the arc length:
If the curve , , then the length of the curve is defined as,
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Consider .
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Substitute and in .
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Arc length of the graph in the indicated interval is units.
Distance between the points is units.
(a) and (b) Distance between the points is units.
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