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Prove that 2 +root5 is irrational ncert |
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Answer» Answer: Step-by-step EXPLANATION: LET us ASSUME that 2+ROOT5 is rational SO, 2+root5 = a/b Root5 = a/b-2 =a-2b/b But we know that root5 is irrational So, Our assumption was wrong Therefore, 2+root5 is irrational Hence proved |
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