Question

28 / (4√7)^3 Помогите пж

Answer 1

28=4*7=

$4 times sqrt{7} times sqrt{7}$

Упрощаем

$4( sqrt{7} ) ^{2}$

Тогда

$frac{4 times sqrt{7} times sqrt{7} }{4 ^{3} times sqrt{7} ^{3} } = frac{1}{4 ^{2} times sqrt{7} } = frac{1}{16 times sqrt{7} }$