Question

решить: 3m²+6mn+3n²/6m²-6n²=

Answer 1

$frac{3m^2+6mn+3n^2}{6m^2-6n^2}= frac{3(m^2+2*m*n+n^2)}{6(m^2-n^2)}=\ = frac{3}{6} frac{(m+n)^2}{(m-n)(m+n)}= frac{1}{2} frac{m+n}{m-n}$