Question

plz solve its urgent

Answer 1

   (1/ √2 + 1 ) * ( √2 - 1 / √2 - 1 ) 
= √2 - 1/(√2)² - ( 1 )²
= √2 - 1 / 2-1
= √2 -1 / 1
= √2 - 1
= 1.414 - 1
= 0.414

Answer 2

Hope u like my process
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$\bold{ \: \: \underline{given}} \\ \\ = > \sqrt{2} = \blue{1.414} \\ \\ now \\ \\ = > \it \frac{1}{ \sqrt{2} + 1} \\ \\ \it= > \green{ \frac{ \sqrt{2} - 1 }{ \sqrt{2 } - 1 } \times \frac{1}{ \sqrt{2} + 1 } } \\ \\ = > \it \green{ \frac{ \sqrt{2} - 1 }{ { (\sqrt{2} )}^{2} - {1}^{2}} } = \it \green{\frac{ \sqrt{2} - 1 }{2 - 1} } \\ \\ = > \green { \it \sqrt{2} - 1} = \green{1.414 - 1} \\ \\ \: \: \: \: \: \: \: \boxed{ = > \underline{ \bf \: \orange{ 0.414 }}}$
Hope this is ur required answer

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