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Найти корни данного квадратного трёхчлена на множестве комплексных чисел. Проверку корней выполнить с помощью формул Виета.
[tex]9 x^{2} -6x+4[/tex]-
Предмет:
Математика -
Автор:
gavin939 - 6 лет назад
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Ответы 1
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Так как дискриминант меньше нуля ⇒ корней нетОтвет: корней нет
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Автор:
mary janewiggins - 6 лет назад
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Раскройте скобки, употребляя глаголы в Present или Future Simple Passive
1.Bread (To eat) every day.
2.The letter (to receive) yestrday.
3.Nick(to send) to Moscow next week.
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5.I (to give) a very interesting book at the library last Friday.
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9.These trees (to plant) last autumn.
10.Many interesting games always (to play) at out PT lesson.
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12.We (to invite) to a concert last Saturday.
13.My question(to answer) yesterday.
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16.Many houses (to burn) during the Great Fire of London.
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18.Flowers (to sell) in shops and in the streets.
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Английский язык -
Автор:
ambrosio - 6 лет назад
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Ответов:
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Можно ли для заметки в газету взять тему Штормовое предупреждение ?
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Предмет:
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Автор:
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Ответов:
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Make sentences the passive . use "by" only if it is necessary to say who does/did the action
1.Tolstoy wrote"War and Peace
2.People in Chile speak Spanish
3.My mother made this dress
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5.Spartak" beat"Dynamo" 3:0 yesterday
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8.They are painting the room now, we can't work there
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11.Somebody gave me your address in Russia
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Предмет:
Английский язык -
Автор:
zack - 6 лет назад
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Ответов:
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