25 БАЛЛОВ!!!!!!!!!!!!! (2x^2+x-3)/(x^2-1)=0. Created by anashkinaolia. algebra-ru

(x^2-1)=0...

anashkinaolia @anashkinaolia

July 2022 1 8 Report

25 БАЛЛОВ!!!!!!!!!!!!!
(2x^2+x-3)/(x^2-1)=0

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NNNLLL54

Verified answer

$\frac{2x^2+x-3}{x^2-1}=0\\\\ODZ:\; \; x^2-1\ne 0\; ,\; \; (x-1)(x+1)\ne 0\; \; \Rightarrow \\\\x\ne -1\; ,\; \; x\ne 1 \\\\\\2x^2+x-3=0\; ,\; D=25\; ,\; \; x_1=-\frac{3}{2},\; x_2=1\notin ODZ\\\\ Otvet:\; \; x=-\frac{3}{2}=-1,5\; .$

2 votes Thanks 2

anashkinaolia Извините,а с этим можете подсказать?

NNNLLL54 С чем с этим ?

anashkinaolia (2x^2+x-3)/(4x^2-1)=0

anashkinaolia По такому же типу?

NNNLLL54 Да, решай так же. В знаменателе будет (2х-1)(2х+1).

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Verified answer

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