Question

Помогите решить срочно нужно 11a-b/96a2b2* 48a3b3/121a2-b2

Answer 1

$frac{11a-b}{96a^2b^2}* frac{48a^3b^3}{121a^2-b^2}= frac{11a-b}{96a^2b^2}* frac{48a^3b^3}{(11a-b)(11a+b)}= frac{ab}{2(11a-b)}= frac{ab}{22a-2b}$