Предмет: Алгебра, автор: vika7069

знайдіть, при якому значенні a рівняння має один корінь. Знайдіть цей корінь
$3x {}^{2} - ax + 3 = 0$

sanaavsuk: Извиняюсь забыл что нужно найти еще и корень. Так как мы знаем значение а можно составить обычное квадратное уравнение 3х^2-6х+3=0 D=0 Значит х=6/3 х=2

Ответы

Автор ответа: sanaavsuk

1

Объяснение:

3х^2-ах+3=0 Уравнение будет иметь один корень при Дискриминанте=0 D=0 Db^2-4ac D=a^2-4*3*3

4*3*3=a^2=36 a=6

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Прочитайте тексты и установите соответствие между текстами A-G
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1. Where the name came from
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came from Germany in the 5th century.
B. The earliest history of the Britons was written by a Greek man named Pytheas, who lived in a Greek
colony in southern France. Pytheas visited the British Isles, including Ireland, in 330 ВС. He called the
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to the terms 'Briton and 'British'.
C. The Britons controlled most of England and southern Scotland for several centuries. This began to
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by force. The Britons tried to push them back, but realised that the Romans were too powerful. They
had to accept that the Romans were there to stay.
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them, which helped form the English language used in the UK today.
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One example is with language: the Britons spoke the British language, a language completely different
from English. This is a bit difficult to understand, because today some people commonly use the terms
'British' and 'English' to mean similar things.

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