Ex14.2, 2 Are the following pairs of statements negations of each other? (i) The number x is not a rational number. The number x is an irrational number. The negation of the given statement is The number x is a rational number. Which is same as The number x is not irrational number. Hence the given pairs are negation of each other.

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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