Points inside a triangle are ‘related’ algebraically to points at the vertices. We introduce the idea using a problem from I.S.I. B.Stat 2014.
Problem: Let PQR be a triangle. Take a point A on or inside the triangle. Let f(x, y) = ax + by + c. Show that f(A)≤maxf(P),f(Q),f(R)
Also Visit: I.S.I & C.M.I Entrance Program