You can understand why if you think about how division and multiplication are related. 12 divided by 6 is 2 because 6 times 2 is 12 12 divided by 0 is x would mean that 0 times x = 12 But no value would work for x because 0 times any number is 0. So division by zero doesn't work.
At the time of his death, Keith was suffering from emphysema and terminal lung cancer, as well as mourning the recent gunshot suicide of his 27-year-old daughter, Daisy Keith, ten weeks earlier. He committed suicide after he returned from a stay at a hospital.
Charles Kennedy post mortem: Cause of death was haemorrhage due to alcoholism. The Liberal Democrat leader's family said 'ultimately this was an illness Charles could not conquer despite all the efforts he and others made'.