Question

Which of the following is a rational number:



(1 + √2) (1 + √2)

(1 + √2) (1 –√2 )

(1 – √2) (1 – √2 )

All the above are irrational​

Answer 1

Answer:

( 1 +√2) ( 1-√2)

because its rationalise

Answer 2

Answer:

second one is the rational one

Step-by-step explanation:

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