Question

1) (m+1 - 1/1-m):(m-mквадрате/m-1)=по действию

Answer 1

$frac{m+1 - frac{1}{1-m} }{ frac{m-m^2}{m-1} } = frac{(1+m)(1-m)-1}{1-m} : frac{m(1-m)}{m-1} = frac{1-m^2-1}{1-m} * frac{m-1}{m(1-m)}$=$frac{-m^2}{1-m} * frac{m-1}{m(1-m)}=frac{m^2}{1-m} * frac{1-m}{m(1-m)}= frac{m}{1-m}$