User:5849206328x: Difference between revisions
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draw(ellipse((0,5),5,1)); draw(ellipse((0,-5),5,1)); fill((-5,-5)--(5,-5)--(5,-3)--(-5,-3)--cycle,white); draw(ellipse((0,-5),5,1),dashed); | draw(ellipse((0,5),5,1)); draw(ellipse((0,-5),5,1)); fill((-5,-5)--(5,-5)--(5,-3)--(-5,-3)--cycle,white); draw(ellipse((0,-5),5,1),dashed); | ||
draw((-4.98,-4.89)--(4.98,4.89)); draw((-4.98,4.89)--(4.98,-4.89)); | draw((-4.98,-4.89)--(4.98,4.89)); draw((-4.98,4.89)--(4.98,-4.89)); | ||
dot((0,0)); dot(( | dot((0,0)); dot((5,3)); label("$P$",(-0.1,0),W); label("$Q$",(5,3),SE); | ||
label("lightlike",(0,-6),S); | label("lightlike",(0,-6),S); | ||
//limits((-1,-4),(6,6),Crop); | //limits((-1,-4),(6,6),Crop); | ||
</asy> | </asy> | ||
Revision as of 19:18, 26 July 2015
![[asy] size(216); real e = 2.718281828459045235360287471352662497757247093699959574966967627724076630353; real pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286; //xaxis(-1,1,Bars); //yaxis(-1,1,Bars); //real f(real x) { return abs(x); } draw(ellipse((0,5),5,1)); draw(ellipse((0,-5),5,1)); fill((-5,-5)--(5,-5)--(5,-3)--(-5,-3)--cycle,white); draw(ellipse((0,-5),5,1),dashed); draw((-4.98,-4.89)--(4.98,4.89)); draw((-4.98,4.89)--(4.98,-4.89)); dot((0,0)); dot((5,3)); label("$P$",(-0.1,0),W); label("$Q$",(5,3),SE); label("lightlike",(0,-6),S); //limits((-1,-4),(6,6),Crop); [/asy]](http://latex.artofproblemsolving.com/8/e/0/8e05ebc3957d8d6c53d34d3040b28749ac373400.png)
