b) 3/(x^2-1)-2/(x-1) пожалуйста помогите. Created by AgroShaman. algebra-ru

(x-1) пожалуйста помогите...

AgroShaman @AgroShaman

July 2022 1 11 Report

b) 3/(x^2-1)-2/(x-1)
пожалуйста помогите

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NNNLLL54

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Ответ:

$\dfrac{3}{x^2-1}-\dfrac{2}{x-1}=\dfrac{3}{(x-1)(x+1)}-\dfrac{2}{x-1}=\dfrac{3-2(x+1)}{(x-1)(x+1)}=\\\\\\=\dfrac{3-2x-2}{(x-1)(x+1)}=\dfrac{1-2x}{(x-1)(x+1)}=\dfrac{1-2x}{x^2-1}$

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Task 2. Match two halves: 1.If we travel to London, 2.If you wear sandals in the mountains, 3. The teacher (to give) her

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AgroShaman June 2023 | 0 Ответы

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Task 2. Match two halves: 1.If we travel to London, 2.If you wear sandals in the mountains, 3. The teacher (to give) her

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