Question

помогите решить примеры

Answer 1

$(b^ frac{7}{12})^2:b^ frac{1}{6}=b^ frac{7}{6} :b^ frac{1}{6}=b^ frac{7}{6}^- ^frac{1}{6} =b^ frac{6}{6}=b$

$2*(a^ frac{1}{11})^2^2+7a^2=2*(a^ frac{22}{11})+7a^2 =2a^2+7a^2=9a^2$