Question

prove that root 7 is irrational by the methods contradiction

Answer 1

To prove 2/root 7 is irrational, you have to show that root 7 is irrational, as you know that when a rational number is divided by irrational no. then the no. obtained is irrational. We can do this by method of contradiction. => root 7 =p/q, where p and q are coprimes and q is not equal to 0.

Answer 2

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