What is contradiction method in number system?
in contradiction method we assume that the result to be proved is true.
we continue then we come across a statement which can never be true....e.g. a perfect square is negative.
when you come across such a statement, you realise that it has happened because our basic assumption was wrong.
so the result to be proved is true , this assumption is wrong
so, conclude that the reult to be proved is not true.
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