Question

помогите решить$frac{k+4}{k-4} : frac{k ^{2} -8k+16}{k ^{2} -16} =$ помогите плиз

Answer 1

$frac{k+4}{k-4}: frac{k^{2}-8k+16 }{k^{2}-16 } = frac{k+4}{k-4}* frac{(k-4)(k+4)}{(k-4)^{2} } = frac{(k+4)^2}{(k-4)^2}$