Предмет: Математика, автор: danilbelchich

Найти сумму и произведения корней уравнения x^2-37x+27=0

Ответы

Автор ответа: lena25073

0

x^2-37x+27=0
Д=37^2-4*1*27=1261
х1=37+√1261/2
х2=37-√1261/2

х1+х2=37+√1261/2+37-√1261/2=74/2=37
х1*х2=37+√1261/2*37-√1261/2=108/4=27

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: gamzatkyzydiana

Перевод казахский пожайлуста Irregular verbs
Vert
Past participle
Paaraimple)
forgave
Past participle
forgren
frozen
anse
forgive
freeze
arose
be
fraze
been
was I were
beat
beat
beaten
got
get
become
became
given
become
begun
go
gone
begin
bend
began
bent
bent
grown
bitren
hung
hang
have
bleed
bled
bled
blown
blow
hear
heard
heard
biew
broke
break
hidden
broken
hide
hid
hit
brought
broadcast
bring
broadcast
build
brought
broadcast
hold
held
held
built
built
hurt
hurt
burn
burnt
burnt
keep
kneel
kept
knelt
kept
knelt
burst
burst
buy
known
bought
know
knew
bought
caught
catch
Lay
Sed
Choose
chone
chosen
come
leant
came
come
COSE
COSE
leam
learnit
learnt
left
creep
leave
creps
crept
lend
Cut
dealt
let
dig
dug
le
Lay
dug
did
do
done
lught
lit
drew
draw
drawn
lose
lost
lost
dreamt
dreamt
drank
drunk
meant
drive
drere
driven
met
paid
paid
fallen
put
put
put
feed
fed
fed
read
read
felt
felt
ride
rode
ridden
rang
rung
fought
found
fought
found
find
rose
flow
un
fly
farbid
forbidden
forget
forgotten
Seen

7 лет назад

Предмет: Биология, автор: balgabekovadilyara

Напишите «воображаемый диалог» между:

-дерево и птица

-море и рыба

-ветер и облако

Отразить в диалоге тревогу за сохранность окружающей среды, ее обитателей

7 лет назад

Предмет: Английский язык, автор: aaulymmuratbekova80

Example: A lot of players take their jobs for granted. True
1. Kenneth would like to be a basketball player because he was always
the best in the team. [1]
2. He enjoyed himself while playing baseball. [1]
3. He has continuously played basketball since he was a child. [1]
4. He believes that money is one of the main reasons to become a baseball player.

7 лет назад

Предмет: Математика, автор: hasmas2

на какое число делится и на 18 и на 19?

10 лет назад

Предмет: Математика, автор: alexgranta3

8×√5+6−8(√5−3)решение

10 лет назад