Question

$( \sqrt{2 } + 1)( \sqrt{2} - 1) =$
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Answer 1

Step-by-step explanation:

1 is ur answer bruhhhhhh.... xD

Answer 2

$( \sqrt{2 } + 1)( \sqrt{2} - 1)$

( a + b ) ( a - b ) = a² - b²

$({\sqrt{2}})² - (1)^2 \\\\ \implies 2 - 1 \\\\ \implies 1$