- #1
Imuck4u
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Homework Statement
We are given a 2 dimensional space time line element and we want to calculate the light cone at a point (x,y)
Homework Equations
ds^2=x(dy)^2-2(dy)(dx)
The Attempt at a Solution
For a light cone, ds^2=0 so x(dy)^2-2(dy)(dx)=0 now what?