Question

СРАВНИТЬ................

Answer 1

$3* sqrt{ frac{1}{2} }= sqrt{ 3^{2} * frac{1}{2} } = sqrt{ frac{9}{2} } = sqrt{4,5}$

$frac{1}{4}* sqrt{80}= sqrt{( frac{1}{4} ) ^{2}*80 } = sqrt{ frac{1}{16}*80 }= sqrt{5} sqrt{4,5} textless sqrt{5}$

=>$3* sqrt{ frac{1}{2} } textless frac{1}{4} * sqrt{80}$