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woolfaria
@woolfaria
July 2022
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Розв'яжіть рівняння:
7х2-6х-1=0
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Answers & Comments
miron2077
Verified answer
7х²-6х-1=0
х₁=
6+√(36+28)
=
6+8
= 1
14 14
х₂=
6-√(36+28)
=
6-8
= -2/14=-1/7
14 14
11 votes
Thanks 20
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Answers & Comments
Verified answer
7х²-6х-1=0х₁=6+√(36+28) = 6+8 = 1
14 14
х₂=6-√(36+28) = 6-8 = -2/14=-1/7
14 14