Question

СРОЧНО ПОМОГИТЕ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!сократите дробь 1) b^15 / b^9 2) a^20 / a^10 3) 10a^6b^6/ 8a^8b^6

Answer 1

$frac{b^{15}}{b^{9}} =b^{15-9}=b^{6}\ frac{a^{20}}{a^{10}}=a^{20-10} =a^{10}\ frac{10a^6b^6}{8a^8b^6} = frac{10}{8a^2} = frac{5}{4a^2}$