Question

.,.......,,,..................2
show that (√2+2) is an irrational ​

Answer 1

Answer:

Answer. To find:- 2 root 2 is an irrational number. because 8 is not a perfect square. So 2 root 2 is an irrational number.

Answer 2

Answer:

let √2+2 is rational

if we subtract rational from rational we get rational

so

√2+2-2

we get rational

=√2

but this is a contradiction as we know that √2 is irrational

so √2+2 is irrational

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