Ответ: (100z²+1)/(100z²-1).
Объяснение:
(10z)/(10z+1) + 1/(10z-1) = (10z(10z-1) + (10z+1))/(100z²-1) =
= (100z²-10z+10z+1)/(100z²-1) = (100z²+1)/(100z²-1).
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ: (100z²+1)/(100z²-1).
Объяснение:
(10z)/(10z+1) + 1/(10z-1) = (10z(10z-1) + (10z+1))/(100z²-1) =
= (100z²-10z+10z+1)/(100z²-1) = (100z²+1)/(100z²-1).