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нори4
@нори4
July 2022
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10у/9у^2+ у-5/3у+2= у-3/2-3у
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sedinalana
Verified answer
10y/(3y+2)(3y-2)+(y-5)/(3y+2)+(y-3)/(3y-2)=0
(3y+2)(3y-2)≠0⇒y≠2/3 U y≠-2/3
10y+(y-5)(3y-2)+(y-3)(3y+2)=0
10y+3y²-2y-15y+10+3y²+2y-9y-6=0
6y²-14y+4=0
3y²-7y+2=0
D=49-24=25
y1=(7-5)/6=1/3
y2=(7+5)/6=2
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Answers & Comments
Verified answer
10y/(3y+2)(3y-2)+(y-5)/(3y+2)+(y-3)/(3y-2)=0(3y+2)(3y-2)≠0⇒y≠2/3 U y≠-2/3
10y+(y-5)(3y-2)+(y-3)(3y+2)=0
10y+3y²-2y-15y+10+3y²+2y-9y-6=0
6y²-14y+4=0
3y²-7y+2=0
D=49-24=25
y1=(7-5)/6=1/3
y2=(7+5)/6=2