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lliza14
@lliza14
August 2022
1
15
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Нули функции у=2х^2+10х-7
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egorivashkin2
2
х
²
+10х-7=0
D=100+56=156 = 2
√39
x1=(-10+2√39)/4=(-5+√39)/2
x2=(-10-2√39)/4=(-5-√39)/2
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Answers & Comments
D=100+56=156 = 2√39
x1=(-10+2√39)/4=(-5+√39)/2
x2=(-10-2√39)/4=(-5-√39)/2