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

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