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zosinso
@zosinso
August 2022
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5х^-11х+2<=0
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lidochka085
5х²-11х+2≤
0
5х²
-11х+2=0
Д=11²-4*5*2=81=9²
х₁=2
х₂=1/5
х∈[1/5;2]
0 votes
Thanks 1
zosinso
Почему Д=9?
lidochka085
9²
zosinso
Все спасибо я сплюсовала
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Answers & Comments
5х²-11х+2=0
Д=11²-4*5*2=81=9²
х₁=2
х₂=1/5
х∈[1/5;2]