Question

Anybody here knows what is distance formula for curved geometry?

Answer 1

in non-euclidean geometry

Answer 2

why are you learning non-euclidean... o.O

Answer 3

are you refering to line integrals?

Answer 4

I am trying to find speed of light using non-euclidean geometry........

Answer 5

@completeidiot Actually I need formula to find distance between two points in curved space....... is that same as line integral?

Answer 6

there is a formula, but i dont know it off the top of my head

Answer 7

can you give me any clue or the name of formula? I will look online too

Answer 8

\[\int\limits_{a}^{b}\sqrt{1+[f'(x)]^2}dx\]

Answer 9

that's line integral isn't that? I took calc II

Answer 10

too many note books to look through

Answer 11

http://tutorial.math.lamar.edu/Classes/CalcIII/VectorArcLength.aspx

Answer 12

the speed of light is constant. if that meant something to you :)

Answer 13

http://www.astro.ucla.edu/~wright/relatvty.htm