Question

$if \: \sqrt{2} = 1.414 \: find \: the \: value \: of \: 1 \div \sqrt{2} + 1$
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Answer 1

$\frac{1}{ \sqrt{2} + 1 } = \frac{ \sqrt{2} - 1}{2 - 1} = \sqrt{2} - 1 \\ \\ \sqrt{2} = 1.414 \\ \\ .°. \: \: 1.414 - 1 = 0.414$