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SadTeenager
@SadTeenager
July 2022
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х>0 4х^2+5х-6>0 Решите систему неравенства пожалуйста
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mikael2
Verified answer
x>0
4х
²+5х-6>0 4х²+5х-6=0 D=25+4*6*4=121 √D=11
x1=1/8[-5-11]=-2 x2=1/8[-5+11]=3/4
//////////////////////////////////
------------- -2------------0-------3/4----------------
+ - +
решение системы x∈(3/4;∞)
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Answers & Comments
Verified answer
x>04х²+5х-6>0 4х²+5х-6=0 D=25+4*6*4=121 √D=11
x1=1/8[-5-11]=-2 x2=1/8[-5+11]=3/4
//////////////////////////////////
------------- -2------------0-------3/4----------------
+ - +
решение системы x∈(3/4;∞)