Zhumatayu
Ой , короче вот ссылки . https://tex.z-dn.net/?f=%5Cfrac%7B3a%5E%7B2%7D%2B6%20%7D%7Ba%5E%7B3%7D%2B1%7D%20-%5Cfrac%7B3%7D%7Ba%5E%7B2%7D-a%2B1%20%7D%20-%5Cfrac%7B1%7D%7Ba%2B1%7D%20%3D%5Cfrac%7B3a%5E%7B2%7D%2B6-3a-3-a%5E%7B2%7D%2Ba-1%20%7D%7B(a%2B1)(a%5E%7B2%7D-a%2B1)%20%7D%20%3D%5Cfrac%7B2a%5E%7B2%7D-2a%2B2%20%7D%7B(a%2B1)(a%5E%7B2%7D%20-a%2B1)%7D%20%3D%5C%5C%5C%5C%3D%5Cfrac%7B2(a%5E%7B2%7D-a%2B1)%20%7D%7B(a%2B1)(a%5E%7B2%7D-a%2B1)%20%7D%20%3D%5Cfrac%7B2%7D%7Ba%2B1%7D%20.
Answers & Comments
Ответ:
При а=-1,4 получим
Объяснение: