Предмет: Алгебра, автор: kenshun2009p3aewx

Нужно объяснить как это решать?
   _________
√ 7 - 4√2

Ответы

Автор ответа: sedinalana
0
sqrt{7-4 sqrt{2} } = sqrt{(2- sqrt{2} )^2+1}
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: gulziramusabekova
DREAMS Do you oflen have dreams? Do you usually remember your dreams? Do you think we can learn something from dreams? Do you share your dreams with other people? Do you think dreams affect life?

FUTURE What job would you like to have 10 years from now? How useful will English be for your future? How much travelling do you hope to do in the future? How do you think your life will change in the future?
FREE TIME AT HOME
How much time do you spend at home? Do you prefer to spend your free time at home or outside the house? What do you do when you have some free time and you're at home? Would you like to have more spare time to spend at home in the future?
MUSIC
Do you like music? Why / why not? What kind of music do you listen to? Why? Has the music that you listen to changed since you were young? Do you think older and younger generations prefer different types of music? What types of music do you like to listen to? [Why?] At what times of day do you like to listen to music? [Why?] Did you learn to play a musical instrument when you were a child? [Why? Why not?] Do you think all children should learn to play a musical instrument? [Why? Why not? .
Happiness
How would you define happiness? What usually makes you happy? What would you do to make you happy?
Do you think money can make people happy?
Do you think people in your country are generally happy people?
What kinds of things make people in your country happy?
Are people in your country happier now than they were 30 years ago? Why do some people say that happiness never lasts long? What makes you feel unhappy?
What makes you feel unhappy? What's your happiest moment?​
6 лет назад
Предмет: География, автор: alexandrachirvatyuk
Найвища точка рівнинної частини України лежить в межах:
Волинської височини
Придніпровської височини Приазовської височини
Хотинської височини​
6 лет назад
Предмет: Қазақ тiлi, автор: fhihvt
помогите с эссе на казахском​
6 лет назад
Предмет: Литература, автор: Анаркан
подчеркни имена детей затем запиши их по образцу
9 лет назад
Предмет: Математика, автор: alinarrizhikova
от бреста до гродно около 200 км. мопед едет из бреста в гродно со скоростью 50 км . за какое время он проедет четверть этого расстояния
9 лет назад