Question

помогите решить
$\frac{ \sqrt{3} * \sqrt{28} }{ \sqrt{28} * \sqrt{7} }$

Answer 1

√84/√196=2√21/14=√21/7=0.654654

Answer 2

$\frac{ \sqrt{3}* \sqrt{28} }{ \sqrt{28}* \sqrt{7} }= \frac{ \sqrt{3} }{ \sqrt{7} }= \frac{ \sqrt{3}* \sqrt{7} }{ \sqrt{7}* \sqrt{7} } = \frac{ \sqrt{21}}{7}$