- #1

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what is line integral - for example if I can draw graph of parabola and i can calculate the area under the graph. But how can i measure the length of parabolic path.

- Thread starter wasi-uz-zaman
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- #1

- 81

- 0

what is line integral - for example if I can draw graph of parabola and i can calculate the area under the graph. But how can i measure the length of parabolic path.

- #2

mathman

Science Advisor

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ds=√(dx

To get the arc length between 2 values of x, integrate ds between those values.

- #3

- 192

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A line integral is more complex idea than the area under a curve in 2 dimensions.

It is done in 3 dimensions [or more]

The arc length is an application of integration in 2 D and the formula was given to yoou in the previous post.

- #4

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thanks alot you have solved my query.

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