Question

ОЧЕНЬ СРОЧНО!!!
Номер 2

Answer 1

$frac{ sqrt{sqrt{y}} -1}{sqrt{y}-sqrt{ sqrt{y} } }= frac{y^{frac{1}{4}}-1}{y^{frac{1}{2}}-y^{frac{1}{4}}} = frac{y^{frac{1}{4}}-1}{(y^{ frac{1}{4}})^2-y^{ frac{1}{4} }} = frac{y^{ frac{1}{4} }-1}{y^{frac{1}{4}}cdot (y^{frac{1}{4}}-1)} =frac{1}{y^{frac{1}{4}}}=frac{1}{sqrt[4]{y}}$