CBSE Class IX Chapters for Mathematics
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Test Paper And Study Materials
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Tuesday, 29 July 2014
Geetha told her classmate radha that (root2 - 1 upon root root2 + 1) is an irrational number. Radha told Geetha that she was wrong and further claimed that if there is a number x such that x3 is irrational then x5 is also irrational. Geetha said that Radha was wrong. Radha accepted her mistake.justify both these statements.
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