7х-2/√3х-8=3√2х+3 помогите. Created by НяшКа02. algebra-ru

√3х-8=3√2х+3 помогите...

НяшКа02 @НяшКа02

July 2022 1 2 Report

7х-2/√3х-8=3√2х+3 помогите

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sedinalana

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ОДЗ
3x-8>0⇒x>8/3
2x+3≥0⇒x≥-1,5
x∈(2 2/3;∞)
7x-2=3√[(2x+3)(3x-8)]
(7x-2)²=9(2x+3)(3x-8)
54x²-63x-216-49x²+28x-4=0
5x²-35x-220=0
x²-7x-44=0
x1+x2=7 U x1*x2=-44
x1=-4 не удов усл
x2=11

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