Question

3. Prove that the following
are irrationals:

(i)1/√2

(ii) 7√5
(ii) 6 + √2​

Answer 1

Step-by-step explanation:

i )1/√2 = 1√2/√2×√2= 1√2/2 = 1×1.4142 /2 = 0.7071....

ii) √5 = 2.236... 7√5=15.652...

iii) 6+√2 = 6+ 1.4142... =7.4142...