given n straight lines and a fixed point O.through O a straight line is drawn meeting these points at R1,R2....,Rn and a point R is taken on it such that, n/OR = 1/OR1 + ......+ 1/ORn.show that locus of r is a straight line.
given n straight lines and a fixed point O.through O a straight line is drawn meeting these points at R1,R2....,Rn and a point R is taken on it such that, n/OR = 1/OR1 + ......+ 1/ORn.show that locus of r is a straight line.