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00angel
@00angel
August 2022
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6х^(2)-29х+30<=0
{
5х+2>3х^(2)
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gkrasavin
6х²-29х+30≤0
5х+2<3x²
D=(-29)²-4×6×30
D=841-720=121
x=29+11/12=40/12=10/3
x=29-11/12=18/12=1,5
5x+2-3x²<0
3x²-5x-2>0
D=25+24=49
x=5+7/6=2
x=5-7/6=-1/3
Ответ:-1/3 до 1,5(-1/3 не входит 1,5 входит
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Answers & Comments
5х+2<3x²
D=(-29)²-4×6×30
D=841-720=121
x=29+11/12=40/12=10/3
x=29-11/12=18/12=1,5
5x+2-3x²<0
3x²-5x-2>0
D=25+24=49
x=5+7/6=2
x=5-7/6=-1/3
Ответ:-1/3 до 1,5(-1/3 не входит 1,5 входит