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kogtimani
@kogtimani
October 2021
2
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Помогите пожалуйста
1) х²-8
2) 7+х²
3) 4-х²
5) - х²+10
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Answers & Comments
shsh29
1) x^2 - 8 = 0
x^2 = 8
X= √8
2) 7 + x^2 = 0
X^2 = -7
x принадлежит пустому множеству .
3)4-x^2 = 0
X^2 = 4
X1,2 = +-2
4)- x^2 + 10 = 0
X^2 = 10
X = √10
0 votes
Thanks 0
poplachsomnoy
1) X2-8=0
X2=8
X=корень из 8
X=2 корень из 2
0 votes
Thanks 0
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Answers & Comments
x^2 = 8
X= √8
2) 7 + x^2 = 0
X^2 = -7
x принадлежит пустому множеству .
3)4-x^2 = 0
X^2 = 4
X1,2 = +-2
4)- x^2 + 10 = 0
X^2 = 10
X = √10
X2=8
X=корень из 8
X=2 корень из 2