Найдите значение выражения (8a^2)/(a^3-1)+(a+1)/(a^2+a+1) при a=2. Created by UnDeadMoroz. algebra-ru

(a^2+a+1) при a=2...

UnDeadMoroz @UnDeadMoroz

July 2022 1 16 Report

Найдите значение выражения (8a^2)/(a^3-1)+(a+1)/(a^2+a+1) при a=2

Answers & Comments

NNNLLL54

Verified answer

$\frac{8a^2}{a^3-1} + \frac{a+1}{a^2+a+1} =\frac{8a^2}{(a-1)(a^2+a+1)} + \frac{a+1}{a^2+a+1} = \frac{8a^2+(a-1)(a+1)}{(a-1)(a^2+a+1)} =\\\\= \frac{9a^2-1}{(a-1)(a^2+a+1)} = \frac{9a^2-1}{a^3-1}$

4 votes Thanks 4

tex]...

Answer

UnDeadMoroz August 2022 | 0 Ответы

na doske napisano 10 naturalnyh razlichnyh chisel srednee arifmeticheskoe shesti m30f21d67f2a1d2ae83bcc981ad321183 96189

Answer

UnDeadMoroz August 2022 | 0 Ответы

najdite vse chetyrehznachnye chislakratnye chislu 28proizvedenie cifr kotoryh ravn

Answer

UnDeadMoroz July 2022 | 0 Ответы

Answers & Comments

Verified answer

tex]...

na doske napisano 10 naturalnyh razlichnyh chisel srednee arifmeticheskoe shesti m30f21d67f2a1d2ae83bcc981ad321183 96189

najdite vse chetyrehznachnye chislakratnye chislu 28proizvedenie cifr kotoryh ravn

napishite esse na temu to do or not to do sports

x pozhalujstareshite podrobno

reagiruet li hlorid magniya s ftorommgcl2f2

tex]...

uprostite vyrazheniyafoto

tex]...

tex]...

рекомендуемые вопросы

Helpful Links

Helpful Social