1. Usuń niewymierność z mianownika ułamka :   a)     [latex] frac{3}{ sqrt{5}+1 } = [/latex] b   )[latex] frac{ sqrt{3} }{ sqrt{6} - sqrt{2} } =[/latex]

a)      [latex]frac{3}{ sqrt{5}+1 }=frac{3(sqrt{5}-1)}{(sqrt{5}+1)(sqrt{5}-1)}=[/latex] [latex]frac{3sqrt{5}-3}{5-1}=frac{3sqrt{5}-3}{4}[/latex] b) [latex]frac{ sqrt{3} }{ sqrt{6} - sqrt{2}} =frac{ sqrt{3}(sqrt{6}+ sqrt{2}) }{(sqrt{6} - sqrt{2})(sqrt{6}+ sqrt{2})}=[/latex] [latex]frac{ sqrt{18}+ sqrt{6} }{6-2}=frac{3 sqrt{2}+ sqrt{6} }{4}[/latex]