Prove that the following are irrationals : (i) 1/√2 (ii) 7√5 (iii) 6+√2

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#Provethatthefollowingareirrationalsi1byroot2ii7root5iii6plusroot2
Prove that the following are irrationals :
(i) 1/√2
(ii) 7√5
(iii) 6+√2