In response to my article “Professor, teach thyself” published on September 3 in The Hindu, some persons have said that I was not correct when I wrote that anything divided by zero is an indeterminate number, not infinity. So let me prove what I said.
Suppose 1 divided by zero = x. Then x multiplied by 0 should be 1. But we know that anything multiplied by 0 becomes 0. It follows that it is impermissible to divide by 0.
Infinity is not a number at all. Infinity can be expressed thus: Limit of 1 divided by x, x tending to 0, is infinity. This merely means that if we keep making x smaller and smaller, the number keeps becoming bigger and bigger without any limit. That is all that infinity means. It is fallacious to regard it as a number.
Justice Markandey Katju,
New Delhi
via The Hindu Newspaper http://www.thehindu.com/opinion/letters/article3878423.ece
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