Предмет: Алгебра, автор: kauwhwvgs

Помогите пожалуйста!!!!

Приложения:

Ответы

Автор ответа: NNNLLL54

Ответ:

Дробь равна 0 , если числитель дроби равен 0 , а знаменатель отличен от 0 .

$\bf \dfrac{7x-14}{x^2+1}=0\ \ \ \Rightarrow \ \ \ \left\{\begin{array}{l}\bf 7x-14=0\\\bf x^2+1\ne 0\end{array}\right\ \ \left\{\begin{array}{l}\bf x=2\\\bf x\in (-\infty \, ;+\infty \, )\end{array}\right$

Ответ: х = 2 .

Вариант ответа Г) .

Приложения:

alice12324: Допоможіть вирішити 3 задачі, задачі на фото. До 5 і 6 задачі малюнки намалюйте. Заздалегідь дякую❤️
https://znanija.com/task/53758171?utm_source=android&utm_medium=share&utm_campaign=question

alice12324: помоги с этим заданием

fctdgsygfdhngfxzgsac: NNNLLL54, здравствуйте! можете помочь пожалуйста? у меня в профиле есть 6 вопросов с границами последовательностей, прошу помогите пожалуйста

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: emmanueljohnmaika15

1. Having worked his finger to the ....... For many years, he eventually saw the fruit of his hard work at the age of fifty.
a. End
b. Bone
c. Nail
d edge
2. The company profit was double ..... The previous year.
a. So much
b. That of
c. Than of
d. Other than
3. Most cars ...... unleaded petrol now days
a. Out of
b. Run over
c. Run on
4. Sorry I'm late .....very long no only five minutes.
a. Are you working
b. Have you been working
c Do you wait
5. Have you seen Linda? I ..... For her for almost an hour.
a. Am looking
b have been looking
6. I ...... to reach Jane on the phone all day don't you know? She's gone on holiday.
a. Tried
b. Have tried
c have been trying
7. What a beautiful day yes it is but its ......... Cooler than yesterday.
a. a little.
b. a few
c. Little
8. Mark is saving hard .... He can buy a car
a. So
b. Although
c. But
9. We have ....... Sugar can you buy some.
a. Run out of
b. Run away of
c. Run of
10. ........ We invite Liz and tony for dinner tomorrow? Yes let's asks Keith and losley too.
a. Would
b. Will
c. Will
d. Shall
11. Did you watch a comedy last night? No we watched two films but ...... Of them were commedies
a. Both
b. Either
c. Neither
12. ....... Did Jane and Ted get married?
a. How long
b. While
c. Neither
13. I want to visit Katie well don't visit her before five o' clock she ......
a. Will be working
b. Is working
c. Will have work
14. Are you having a holiday this year yes I.... to Hawaii
a. Have been
b. Am going
15. Jenny has been writing letters since morning yes she .... Six letters so far.
a. Has been writing
b. Wrote
c has written
16. When we ...... to the party we took a gift with us
a. Go
b. Will go
c. Went
17. I'm sorry ..... the misunderstanding
a. With
b. About
c. By
18. We .... Our holiday a month ago
a. Reserved
b. Saved
c. Booked
19. Look the dress is I identical .... the one none was wearing last night
a. By
b. To
c. With

11 месяцев назад

Предмет: История, автор: zmarkonastia

які сучасні держави Азії і Африки (цілком або частково) входили у VII-IX століття до складу арабського халіфату. СРОЧНО ДАМ 40 БАЛІВ

11 месяцев назад

Предмет: Химия, автор: fedcenkop965

ДАЮ 100 БАЛІВ!!!
Хімія, 10 клас
Завдання на фото
ДОПОМОЖІТЬ, БУДЬ ЛАСКА!