Question

(2 +root 2) square is rational or irrational number​

Answer 1

Answer:

Rational number

Step-by-step explanation:

Because

2 square will be 4

&

root 2 square will be 2

and

2+4 = 6

which is a rational number.

Answer 2

Answer:

it is irrational number

step by step explanation

(2+√2)² = (2)²+2(2)(√2)+(√2)² [the identity (a+b)²]

4+4√2+2 =4+2+4√2

6+4√2 which is an irrational no hence it is irrational

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