Let A,B,C,D,E represent vertices of a regular pentangon ABCDE. Given the position vector
Channel: Doubtnut
Date: 2020-05-24

Let A,B,C,D,E represent vertices of a regular pentangon ABCDE. Given the position vector of these vertices be a,a+b,b,`lamda a` and `lamdab` respectively.  Q. AD divides EC in the ratio