[24 балла] Упростить:
[tex] \frac{x^2-1}{x^2+x+1} : \frac{x+1}{x^3-1} + \frac{2}{ \frac{1}{x}}
[/tex]
[tex] \frac{x^2-1}{x^2+x+1} : \frac{x+1}{x^3-1} + \frac{2}{ \frac{1}{x}}
[/tex]
More Questions From This User See All
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ: x^2+1.
------------------------------- = (x-1)²
(x²+x+1)*(x+1)
(x-1)²+2x=x²-2x+1+2x=x²+1