Question

if √2=1.4142..
then find √√2-1/√2+1

Answer 1

$\sqrt{ \frac{ \sqrt{2} - 1 }{ \sqrt{2} + 1} } \\ = \sqrt{ \frac{1.4142 - 1}{1.4142 + 1} } \\ = \sqrt{ \frac{0.4142}{2.4142} } \\ = \sqrt{0.1715} \\ = 0.4141$