Question

3+1/1+√2 Please find the answer.
In order to avoid confusion , here it is ,
3 added to 1 divided by 1 plus root of 2

Answer 1

On rationalising,
3+1/1+√2
=3+1×1-√2/1+√2×1-√2
=4-√2/1-2
=4-√2/-1
=-4+√2

Answer 2

$3 + 1 \div 1 + \sqrt{2 } \\ \\ 3 + 1 + \sqrt{2} \\ \\ 4 + \sqrt{2}$