Предмет: Алгебра, автор: olegdomgamepd6swz

помогите решить. очень срочно.
а еще с Новым годом!

Приложения:

Ответы

Автор ответа: iusduifuisdfsd0
1

(1/√3+√2 + 1/2+√3)×(2+√2)

(√3-√2+2-√3)×(2+√2)

(2-√2)×(2+√2)

4-2=2

Ответ:2

Кстати, вас тоже с Новым Годом :)

olegdomgamepd6swz: спасибо!
Автор ответа: NNNLLL54
1

\Big (\frac{1}{\sqrt3+\sqrt2}+\frac{1}{2+\sqrt3}\Big )\cdot (2+\sqrt2)=\Big (\frac{\sqrt3-\sqrt2}{3-2}+\frac{2-\sqrt3}{4-3}\Big )\cdot (2+\sqrt2)=\\\\=(\sqrt3-\sqrt2+2-\sqrt3)\cdot (2+\sqrt2)=(2-\sqrt2)\cdot (2+\sqrt2)=4-2=2

NNNLLL54: вопрос удалён, значит он был задан с нарушениями...
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: eleusinmerei
1. … you stand on your head?
a) must
b) can
c)may
d)have
e)to be to

2. I … study well.
a) may
b) must
c)might
d)will must
e)have to

3. He is working … today.
a) easy
b) good
c)hard
d)hardly
e)easier

4. This is an … exercise.
a) easily
b) easy
c)interestingly
d)quietly
e)easier

5. Look! That man … to open the door.
a) try
b) tried
c)to try
d)is trying
e)are trying

6. He … to school in London in 1970.
a) go
b) goes
c)went
d)is going
e)are going

7. He … to write plays when he was a young man.
a) begin
b) began
c)begins
d)is begins
e)is beginning

8. He … born in 1564.
a) is
b) are
c)were
d)was
e)am

9. Emmie … every school holiday in Scotland.
a) Spend
b) Spent
c)Will be spent
d)Spends
e)Is spending

10. I … a new pair of shoes yesterday.
a) Had bought
b) Was bought
c)Bought
d)Buy
e)Has bought

11. My grandfather … in Belguim in 1988.
a) Was living
b) Lived
c)Has lived
d)Is living
e)Lives

12. … tennis tonight?
a) Do you play
b) Have you played
c)Are you going to play
d)Is you going to play
e)Did you play

13. They live in Melbourne.
a) Where do they live?
b) Where are they living?
c)Where did they live?
d)Where had they lived?
e)Where are they going to live?

14. … are you from?
a) Where
b) When
c)How
d)Whose
e)Which

15. Hurry up! Everybody … for you.
a) is waiting
b) are waiting
c)waiting
d)wait
e)waited

16. My parents … three children.
a) have
b) has
c)are having
d)have had
e)were having

17. He doesn`t … dinner at home.
a) has
b) having
c)have
d)had
e)have had

18. I thought the last test was … than this one.
a)Difficult
b) The most difficult
c)Difficulties
d)More difficult
e)Difficultier

19. This is the … wine in the restaurant.
a)Expensive
b) More expensive
c)Most expensive
d)More expensiver
e)Expensivest

20. Your hair looks … today.
a)Better
b) The best
c)Good
d)More better
e)The goodest
5 лет назад
Предмет: Математика, автор: cojanastasia304
за 1.8 огурцов заплатили 108 тенеге. Известно что 1 кг помидоров дороже 1 кг огурцов на 20 тенге. сколько стоит 1 кг помидоров? с решением пожалуйста
5 лет назад
Предмет: Қазақ тiлi, автор: TemenTogjan
аян мен тортай соғыс құрбандары эссе​
5 лет назад
Предмет: Литература, автор: otvetnavopros1
Напиши сочинения на тему 'осень в нашем городе'
8 лет назад
Предмет: Геометрия, автор: pliz100506
как начертить окружность, проходящую через все вершины квадрата
8 лет назад