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sad2018
@sad2018
March 2022
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помогите с первым,и вторым номером пожалуйста
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isleep2
0 votes
Thanks 1
Artyom213
1. 2x
^ + x - 3 = 0
a=2, b=1, c=-3
D=b
^2 - 4ac = 1
^2 - 4*2*(-3) = 25
D=
√25=5
х1,2= 1 ±5 / 4
х1= 1,5
х2= -1
2.
0 votes
Thanks 1
isleep2
а второе
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Answers & Comments
a=2, b=1, c=-3
D=b^2 - 4ac = 1^2 - 4*2*(-3) = 25
D=√25=5
х1,2= 1 ±5 / 4
х1= 1,5
х2= -1
2.