Предмет: Алгебра, автор: NoName227228

Как решить?
27у – 3у^3= 0

alikdjon123: ты хочешь узнать как надо делать или ответ надо?

Ответы

Автор ответа: NNNLLL54
1

27y-3y^3=0\\\\3y\cdot (9-y^2)=0\\\\3y\cdot (3-y)(3+y)=0\\\\y_1=0\\\\3-y=0\; ,\; \; y_2=3\\\\3+y=0\; ,\; \; y_3=-3\\\\Otvet:\; \; y_1=0\; ,\; y_2=3\; ,\; y_3=-3\; .

Автор ответа: danavoron884985
0

Ответ:y= 3 y= 3 y=3

Объяснение:

27y-3y3=0

-3y(y-3)(y+3)=0

y-3=0 y=0 y+3=0

y=3 y=0 y+3=0

y=3 y=0 y=-3

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: egopik29

Плиз дайте перевод рассказа Amelia Bedelia Chapter 2
1 год назад
Предмет: Английский язык, автор: Машка1Милая

это словообразование.

Although a certain percentage of graduates will still be (1)……(employ)  six months after leaving university, the majority will have found (2)…….(employ)  by then. Many of these will even have been offered a job while at university, as a result of visiting a job fair.

Job fairs are held at many universities each year. Companies come along to advertise jobs, which are usually in (3) …….(manage), and the career structures and benefit packages that go with them. Job fairs are an (4)….…(effect) way for undergraduates to find out what kind of job they might be interested in.

If you go to a job fair, dress (5) ….…(profession) . Don’t wear jeans and T-shirt.  Wear a suit! You don’t want to look (6)…….(responsible) when you have your first (7)………(meet) with your potential (8)………(employ). If you’re interested in a job on offer, you may have to fill out an (9) ……..(apply) form, so it’s (10) ……..(help) to take along relevant information with you. You’ll also need proof of all your (11) ……..(qualify), so don’t forget to take photocopies of all your certificates with you.

 
1 год назад
Предмет: Английский язык, автор: Pashka1999game3

3. FIll in the blanks with the correct form of the verbs in the past: simple or continuous.
1. While I .... (study), Sam ... (play) computer games.
2. Tina ..... (lay) the table when the guests ... (arrive)
3. Sarah .... (wear) a nice fancy dress costume.
4. The sun .... (shine) when we .... (get up) this morning.
5. What .... (the children/do) when the teacher .... (arrive)
6. My father .... (not/feel) well yesterday, so he ... (not\do) to work.
7. He ... (drink) a lot. That's why he.... (have) problems at work.
8. People .... (think) that she ... (be) a good artist, but she (not\be).
9. While Mary ... (sleep), the children .... (chat).
10. Who .... (tell) you the news'

4. Say if the sentences are right or wrong. Correct the wrong ones.

1. While we waited for the bus, it was starting to rain.
2. Did you went to the cinema last Friday?
3. Paul opened and door and was switching the TV on.
4. There was lots of people waiting for the singer.
5. Who did phoned a few minutes ago?
6. The concert was cancelling because the drummer wasn't feeling well.
7. Tom used to ate lots of pasta when he was a child.
8. Why didn't you call the police when you were having the accident?
9. Carol really enjoided the film. She told me.
10. Danny knewed I was right, but he hit wanted to accept it.
1 год назад
Предмет: Алгебра, автор: JeffKiller666
не выполняя построений найдите координаты точек пересечения окружности x^2+ y^2= 25 и прямой 2x-y=0
8 лет назад
Предмет: Геометрия, автор: dragon46
в треугольнике ABC угол А в два раза больше угла В.Длина стороны ВС равна 9.Найдите биссектрису АD этошо треугольника,если DC=3
8 лет назад