Question

1/(4+2√3)+1/(4-2 √ 3) 

Answer 1

1/4+1/2√3+1/4-1/2√3=1/2 или 0,5

Answer 2

$frac{1}{4+2sqrt{3}}+ frac{1}{4-2sqrt{3}}= frac{4-2sqrt{3}+4+2sqrt{3}}{(4+2sqrt{3})(4-2sqrt{3})}=$  $=frac{8}{16-12}=2$