Question

You have seen that root 2 is not a rational number show that 2+ root 2 is not a rational number

Answer 1

Step-by-step explanation:

we know that √2 is an irrational no and 2 is a rational no.

And we also know that sum of a rational no and an irrational no is always irrational.

So, sum of 2 and √2 that is 2+√2 is irrational.

Answer 2

Answer:

2+ root 2 is a irrational number

Step-by-step explanation:

because rational + irrational is always irrational. you can prove it by contradiction method