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Under root 5 irrational number kaise proof Karen |
| Answer» Let us assume that root 5 is rationalroot 5=a/b ( where a, b are coprimes )root5b=asquaring on both sides,5b2=a2so, 5 divides both a and ba coprime doesn\'t divide two integersthis has been arisen due to our wrong assumption that root 5 is rationalso, root5 is irrational. | |