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sytylovalena
@sytylovalena
September 2021
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Решить неравенство корень 24 + 2х -х^2> х
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12бродяга12
24+2x-x^2>x
24+2x-x^2-x>0
24+x-x^2>0
a=-1, b=1, c=24
D=b^2-4ac=1-4*(-1)*24=1+96=97
x1=(-b-D^1/2)/2a=(-1-97^1/2)/2*(-1)=(-10,85)/(-2)=5,425
x2=(-b+D^1/2)2a=(-1+97^1/2)2*(-1)=8,85/(-2)=-4,425
(D^1/2-это корень числа D в решении не писать)
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Answers & Comments
24+2x-x^2-x>0
24+x-x^2>0
a=-1, b=1, c=24
D=b^2-4ac=1-4*(-1)*24=1+96=97
x1=(-b-D^1/2)/2a=(-1-97^1/2)/2*(-1)=(-10,85)/(-2)=5,425
x2=(-b+D^1/2)2a=(-1+97^1/2)2*(-1)=8,85/(-2)=-4,425
(D^1/2-это корень числа D в решении не писать)