Hi,
Can you tell me how to prove the following?
Given a set of n distinct points in the plane such that for any two points in the set there is a third point in the set that is colinear with them (i.e., lies on the same line with them), prove that all the n in the set are colinear (i.e., lie...
Hi,
I have the following to solve and I tried so many things but it is confusing. Here is the problem
Given 12 coins such that exactly one of them is fake (we don't know if it is heavier or lighter than the rest), and a pan scale, devise a procedure to identify the fake coin and whether it is...