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| 1. |
3+root 5 prove irration |
| Answer» Let 3+√5 is rationalSo , 3+√5 = a/b √5 = a/b -3 √5 = a-3b/bWe know that √5 is irrational and a-3b/b is rational . A irrational number can not be equal to rational number. Hence , 3+√5 is irrational | |